{
  "version": "SPECIES_COVERAGE_V1",
  "summary": {
    "SPECIES_EXPECTED": 121,
    "SPECIES_FINAL": 121,
    "SEED_CATEGORIES": 10,
    "CATCH_CROP_SPECIES": 52,
    "SPECIES_WITH_PRODUCTION_DATA_BEFORE": 74,
    "SPECIES_WITH_PRODUCTION_DATA_AFTER": 82,
    "SPECIES_WITH_TRADE_DATA_BEFORE": 9,
    "SPECIES_WITH_TRADE_DATA_AFTER": 9,
    "SPECIES_WITH_BOTH_BEFORE": 9,
    "SPECIES_WITH_BOTH_AFTER": 9,
    "DATA_GAPS_BEFORE": 47,
    "DATA_GAPS_AFTER": 39,
    "NEW_OFFICIAL_OBSERVATIONS": 46,
    "NEW_PUBLIC_SAFE_OBSERVATIONS": 46,
    "BASELINE_PRODUCTION_RECORDS": 1669,
    "PRODUCTION_RECORDS_AFTER": 1715,
    "CN_STATUS_COUNTS": {
      "GROUP_LEVEL": 46,
      "NOT_AVAILABLE": 42,
      "REVIEW_REQUIRED": 6,
      "PARTIAL": 10,
      "CONFIRMED": 17
    },
    "COVERAGE_GRADE_COUNTS": {
      "MODERATE": 67,
      "DATA_GAP": 39,
      "LIMITED": 6,
      "STRONG": 9
    },
    "COMPARABLE_SERIES_ALL_ENTITIES": {
      "2Y_COMPARABLE_SERIES": 405,
      "3Y_COMPARABLE_SERIES": 230,
      "4Y_COMPARABLE_SERIES": 133,
      "5Y_COMPARABLE_SERIES": 109
    },
    "COMPARABLE_SERIES_121_SPECIES": {
      "2Y_COMPARABLE_SERIES": 329,
      "3Y_COMPARABLE_SERIES": 189,
      "4Y_COMPARABLE_SERIES": 109,
      "5Y_COMPARABLE_SERIES": 89
    },
    "WITHHELD_NUMERIC_SOURCE_VALUES": 35,
    "PUBLIC_SAFE": "PASS",
    "PROVENANCE": "PASS",
    "BOTANICAL_NAMES": "PASS_BOUNDED_OFFICIAL_NOMENCLATURE",
    "COMMODITY_AREA_CONTAMINATION": "NONE",
    "INTERPOLATION": "NONE",
    "MISSING_DATA_HANDLING": "ABSENT_NOT_ZERO"
  },
  "species": [
    {
      "canonical_species_id": "browntop",
      "canonical_entity_ids": [
        "browntop"
      ],
      "common_name": "Brown top / common bent",
      "botanical_name": "Agrostis capillaris",
      "biological_species_key": "Agrostis capillaris",
      "seedtrade_category": "grass-seeds",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 6,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "browntop": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092945"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2023,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-19c4c5ef4e83cbf39c68",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Psineček tenký - Brown top",
          "history_length": 3
        },
        {
          "id": "series-6f1d588bc8bd10a94bae",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-bbeb4af3203dfb912ec0",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-1b1bcd08584430e49279",
          "accessed": "2026-10-03",
          "organisation": "BAES",
          "reporting_period": "2022/2023; Ernte 2023",
          "terminology": "zertifizierte Fläche in ha Summe (inkl. Flächen mit Auflage)",
          "title": "Tabelle IV/1.3.2, Sommerungen Österreich gesamt, Saison 2022/2023 (Ernte 2023)",
          "url": "https://www.baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Archvi/Sommerungen_%C3%96sterreich_2023.pdf"
        },
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "browntop",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092945"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092945"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092945",
              "description": "Timothy grass seed, vetch seed, seeds of the genus Poa palustris L. and Poa trivialis L., seeds of cocksfoot grass \"Dactylis glomerata L.\", and seeds of bent grass \"Agrostis\", for sowing",
              "worksheet_row": 1497
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "onion",
      "canonical_entity_ids": [
        "onion"
      ],
      "common_name": "Onion / shallot",
      "botanical_name": "Allium cepa",
      "biological_species_key": "Allium cepa",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "onion": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "onion",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "SOURCE_CONFIRMED_NOT_ACTIVATED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated.",
        "Printed table conflicts with crop-specific maps/pages 78-79 or earlier SEMAE table. Original labels/values retained; no swap or automatic correction."
      ]
    },
    {
      "canonical_species_id": "bunching-onion",
      "canonical_entity_ids": [
        "bunching-onion"
      ],
      "common_name": "Bunching onion",
      "botanical_name": "Allium fistulosum",
      "biological_species_key": "Allium fistulosum",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "bunching-onion": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "bunching-onion",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "leek",
      "canonical_entity_ids": [
        "leek"
      ],
      "common_name": "Leek",
      "botanical_name": "Allium porrum",
      "biological_species_key": "Allium porrum",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "leek": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "leek",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "SOURCE_CONFIRMED_NOT_ACTIVATED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated.",
        "SEMAE sector-only source attribution; SOCFrance official lineage not explicitly stated for this protected-cultivation table. Retained separately pending authority/stage confirmation. Not certified area."
      ]
    },
    {
      "canonical_species_id": "chives",
      "canonical_entity_ids": [
        "chives"
      ],
      "common_name": "Chives",
      "botanical_name": "Allium schoenoprasum",
      "biological_species_key": "Allium schoenoprasum",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "chives": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "chives",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "meadow-foxtail",
      "canonical_entity_ids": [
        "meadow-foxtail"
      ],
      "common_name": "Meadow foxtail",
      "botanical_name": "Alopecurus pratensis",
      "biological_species_key": "Alopecurus pratensis",
      "seedtrade_category": "grass-seeds",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 5,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "meadow-foxtail": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092980"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2023,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-1264a679cdd0ab1fd5d6",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Psárka luční - Meadow foxtail",
          "history_length": 3
        },
        {
          "id": "series-3fa34082fed4fe928756",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-d90670dc508ae628f836",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "meadow-foxtail",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092980"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092980"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092980",
              "description": "Seeds of forage plants, for sowing (excl. cereals and fodder beet seed \"Beta vulgaris var. alba\", sugar beet seed, lucerne seed, clover \"Trifolium spp.\" seed, fesque seed, Kentucky blue grass \"Poa pratensis L.\" seed, ryegrass \"Lolium multiflorum lam., Lolium perenne L.\" seed, Timothy grass seed, vetch seed, seeds of the genus Poa palustris L and Poa trivialis L., cocksfoot grass \"Dactylis glomerata L.\" seed, bent grass \"Agrostis\" seed and lupine seed)",
              "worksheet_row": 1500
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Residual forage-plant heading supported by original official forage seed classification; product use must be confirmed. Not a species-specific tariff classification ruling."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "dill",
      "canonical_entity_ids": [
        "dill"
      ],
      "common_name": "Dill",
      "botanical_name": "Anethum graveolens",
      "biological_species_key": "Anethum graveolens",
      "seedtrade_category": "herbs-specialty",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "dill": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "dill",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "chervil",
      "canonical_entity_ids": [
        "chervil"
      ],
      "common_name": "Chervil",
      "botanical_name": "Anthriscus cerefolium",
      "biological_species_key": "Anthriscus cerefolium",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "chervil": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "chervil",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "celery",
      "canonical_entity_ids": [
        "celery"
      ],
      "common_name": "Celery / celeriac",
      "botanical_name": "Apium graveolens",
      "biological_species_key": "Apium graveolens",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "celery": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "celery",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "tall-oatgrass",
      "canonical_entity_ids": [
        "tall-oatgrass"
      ],
      "common_name": "Tall oatgrass",
      "botanical_name": "Arrhenatherum elatius",
      "biological_species_key": "Arrhenatherum elatius",
      "seedtrade_category": "grass-seeds",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 5,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "tall-oatgrass": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092980"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2023,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-1cc268632d803bb489d8",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-40264913e42bea2fa88c",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-ee77f5cb832885d8642d",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Ovsík vyvýšený - Tall oatgrass",
          "history_length": 3
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
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          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
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          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
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          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "tall-oatgrass",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092980"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092980"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092980",
              "description": "Seeds of forage plants, for sowing (excl. cereals and fodder beet seed \"Beta vulgaris var. alba\", sugar beet seed, lucerne seed, clover \"Trifolium spp.\" seed, fesque seed, Kentucky blue grass \"Poa pratensis L.\" seed, ryegrass \"Lolium multiflorum lam., Lolium perenne L.\" seed, Timothy grass seed, vetch seed, seeds of the genus Poa palustris L and Poa trivialis L., cocksfoot grass \"Dactylis glomerata L.\" seed, bent grass \"Agrostis\" seed and lupine seed)",
              "worksheet_row": 1500
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Residual forage-plant heading supported by original official forage seed classification; product use must be confirmed. Not a species-specific tariff classification ruling."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "asparagus",
      "canonical_entity_ids": [
        "asparagus"
      ],
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      "botanical_name": "Asparagus officinalis",
      "biological_species_key": "Asparagus officinalis",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
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      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "asparagus": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
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          "cn6": [],
          "cn8": [],
          "hs6": [],
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            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
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          "notes": [
            "No species-specific CN mapping invented"
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        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
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      "canonical_entity_ids": [
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      "botanical_name": "Avena nuda",
      "biological_species_key": "Avena nuda",
      "seedtrade_category": "cereals-pseudocereals",
      "use_tags": [
        "SEED_PRODUCTION"
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      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 24,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
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      "entity_cn_statuses": {
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      },
      "cn_codes": [
        "10041000"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "LV",
        "SK"
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      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
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          "history_length": 5
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        },
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          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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        },
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          "id": "series-9ecf13cc5e4c056efe62",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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          "metric": "CERTIFIED_SEED_AREA",
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          "definition": "APPROVED_FIELD",
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          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
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          "history_length": 5
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        {
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          "metric": "SEED_PRODUCTION_AREA",
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          "definition": "FIELD_INSPECTED",
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          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
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          "organisation": "VAAD",
          "reporting_period": "2021",
          "terminology": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
          "title": "Sagatavotā sertificētā sēkla — labības",
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        },
        {
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          "organisation": "VAAD",
          "reporting_period": "2023",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
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          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
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          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
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          ],
          "cn6": [
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          ],
          "cn8": [
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          ],
          "hs6": [
            "100410"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
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            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [
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          },
          "official_descriptions": [
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            },
            {
              "cn8": "10049000",
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      ],
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        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
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    },
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      "canonical_entity_ids": [
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      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 59,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
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        "CZ",
        "ES",
        "FI",
        "LV",
        "PT",
        "SE",
        "SI",
        "SK"
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      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
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        },
        {
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        },
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        },
        {
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
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        },
        {
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        },
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        },
        {
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          "country": "CZ",
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        },
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        },
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        },
        {
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        {
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          "unit": "kg",
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        },
        {
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          "terminology": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
          "title": "Sagatavotā sertificētā sēkla — labības",
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        {
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          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "organisation": "UVHVVR",
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          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
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          "terminology": "zertifizierte Fläche SUMME",
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          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
          "source_id": "src-95c0db30a11170d6e81c",
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          "organisation": "ESCAA",
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          "terminology": "field production area for seeds",
          "title": "Seed production in EU - 2025",
          "url": "https://www.escaa.org/index/action/page/id/7/title/seed-production-in-eu---2025"
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        {
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        {
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      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      "trade_provenance": [
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          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
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      ],
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          "canonical_species_id": "oat",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
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          "cn6": [
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          "cn8": [
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          "hs6": [
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          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
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            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [
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            ]
          },
          "official_descriptions": [
            {
              "cn8": "10041000",
              "description": "Oats seed for sowing",
              "worksheet_row": 1330
            },
            {
              "cn8": "10049000",
              "description": "Oats (excl. seed for sowing)",
              "worksheet_row": 1331
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          ],
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          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
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      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
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        "2026 CN identity status is preserved; historical concordance is not inferred.",
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    },
    {
      "canonical_species_id": "black-oat",
      "canonical_entity_ids": [
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      ],
      "common_name": "Bristle / black oat",
      "botanical_name": "Avena strigosa",
      "biological_species_key": "Avena strigosa",
      "seedtrade_category": "cereals-pseudocereals",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 16,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "black-oat": "GROUP_LEVEL"
      },
      "cn_codes": [
        "10041000"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "CZ",
        "ES",
        "LV",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-1da0f6cabff262090c19",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-460f0bee33b50864748c",
          "country": "ES",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
          "scope": "",
          "history_length": 3
        },
        {
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          "country": "CZ",
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        },
        {
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        },
        {
          "id": "series-af7fcc9f7640358fe9c1",
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      "coverage_grade": "MODERATE",
      "public_safe": true,
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        {
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      ],
      "identity_provenance": [
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          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
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        },
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            {
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          ],
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      "certified_quantity_evidence": false,
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      "production_evidence_before": true,
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          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Řepa krmná - Fodder beet",
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        {
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        {
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          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
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          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
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          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "beet-chard",
          "mapping_status": "CN_MAPPING_REVIEW_REQUIRED",
          "nomenclature_year": 2026,
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific code"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Taxonomy alone does not establish this hybrid/crop-use/product-form customs classification; no residual code forced."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "biserrula",
      "canonical_entity_ids": [
        "biserrula"
      ],
      "common_name": "Biserrula",
      "botanical_name": "Biserrula pelecinus",
      "biological_species_key": "Biserrula pelecinus",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 6,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "biserrula": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092980"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "PT"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2024,
      "latest_trade_period": null,
      "comparable_history_length": 2,
      "comparable_series": [
        {
          "id": "series-11fb2d927292d9bbbb8d",
          "country": "PT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_MULTIPLICATION_FIELD",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-5693af9dd4fc05690c5a",
          "country": "PT",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS",
          "scope": "",
          "history_length": 2
        }
      ],
      "coverage_grade": "LIMITED",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-079ed23ec7c3ae175031",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-15d3b4a1ed023aae6cc4",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-5dfa26e10570608eea87",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-944663f5073599bb5480",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-adc8a3ea1974895b2c5d",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-b89406c08e7f962ffa3e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "biserrula",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092980"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092980"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092980",
              "description": "Seeds of forage plants, for sowing (excl. cereals and fodder beet seed \"Beta vulgaris var. alba\", sugar beet seed, lucerne seed, clover \"Trifolium spp.\" seed, fesque seed, Kentucky blue grass \"Poa pratensis L.\" seed, ryegrass \"Lolium multiflorum lam., Lolium perenne L.\" seed, Timothy grass seed, vetch seed, seeds of the genus Poa palustris L and Poa trivialis L., cocksfoot grass \"Dactylis glomerata L.\" seed, bent grass \"Agrostis\" seed and lupine seed)",
              "worksheet_row": 1500
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Residual forage-plant heading supported by original official forage seed classification; product use must be confirmed. Not a species-specific tariff classification ruling."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "borage",
      "canonical_entity_ids": [
        "borage"
      ],
      "common_name": "Borage",
      "botanical_name": "Borago officinalis",
      "biological_species_key": "Borago officinalis",
      "seedtrade_category": "herbs-specialty",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "borage": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "borage",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "ethiopian-mustard",
      "canonical_entity_ids": [
        "ethiopian-mustard"
      ],
      "common_name": "Ethiopian mustard",
      "botanical_name": "Brassica carinata",
      "biological_species_key": "Brassica carinata",
      "seedtrade_category": "brassica-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "ethiopian-mustard": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "ethiopian-mustard",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "brown-mustard",
      "canonical_entity_ids": [
        "brown-mustard"
      ],
      "common_name": "Brown mustard",
      "botanical_name": "Brassica juncea",
      "biological_species_key": "Brassica juncea",
      "seedtrade_category": "brassica-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "brown-mustard": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12075010"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "GROUP_LEVEL",
          "market_slugs": [
            "mustard-seed-for-sowing"
          ],
          "cn8": [
            "12075010"
          ],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "brown-mustard",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1207"
          ],
          "cn6": [
            "120750"
          ],
          "cn8": [
            "12075010"
          ],
          "hs6": [
            "120750"
          ],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12075010"
            ],
            "limitation": "GROUP_SCOPE_ONLY"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": "Mustard for oil/food may share heading",
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [
            {
              "cn8": "12075010",
              "description": "Mustard seeds for sowing",
              "worksheet_row": 1476
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Identity membership only; broad customs category never allocated to this species"
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "rapeseed",
      "canonical_entity_ids": [
        "rapeseed"
      ],
      "common_name": "Rapeseed / oilseed rape",
      "botanical_name": "Brassica napus",
      "biological_species_key": "Brassica napus",
      "seedtrade_category": "oil-fibre-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 32,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "PARTIAL",
      "entity_cn_statuses": {
        "rapeseed": "PARTIAL"
      },
      "cn_codes": [
        "12051010"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "DE",
        "ES",
        "FR",
        "IE",
        "IT",
        "LT",
        "SI",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-02b0ddaaa6ee2e9b0823",
          "country": "SI",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DECLARED_FOR_CERTIFICATION",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-07c39cb73a7c69f862cc",
          "country": "IE",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-08ca39842faa677abd85",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Řepka jarní - Swede rape spring type",
          "history_length": 2
        },
        {
          "id": "series-1889c8c1d0c8704f7cf5",
          "country": "SK",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-2477f5969633bf9449c2",
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          "title": "MAPA seed certification statistics",
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        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
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          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "rapeseed",
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          ],
          "cn6": [
            "120510"
          ],
          "cn8": [
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          ],
          "hs6": [
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          ],
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          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
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            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [
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            ]
          },
          "official_descriptions": [
            {
              "cn8": "12051010",
              "description": "Low erucic acid rape or colza seeds \"yielding a fixed oil which has an erucic acid content of < 2% and yielding a solid component of glucosinolates of < 30 micromoles/g\", for sowing",
              "worksheet_row": 1464
            },
            {
              "cn8": "12051090",
              "description": "Low erucic rape or colza seeds \"yielding a fixed oil which has an erucic acid content of < 2% and yielding a solid component of glucosinolates of < 30 micromoles/g\", whether or not broken (excl. for sowing)",
              "worksheet_row": 1465
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
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            "Only the explicitly low-erucic sowing branch is represented; no erucic type inferred for any production observation. High-erucic mixed-use branch is not assigned."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
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        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
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      "canonical_entity_ids": [
        "black-mustard"
      ],
      "common_name": "Black mustard",
      "botanical_name": "Brassica nigra",
      "biological_species_key": "Brassica nigra",
      "seedtrade_category": "brassica-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "black-mustard": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12075010"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "GROUP_LEVEL",
          "market_slugs": [
            "mustard-seed-for-sowing"
          ],
          "cn8": [
            "12075010"
          ],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "black-mustard",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1207"
          ],
          "cn6": [
            "120750"
          ],
          "cn8": [
            "12075010"
          ],
          "hs6": [
            "120750"
          ],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12075010"
            ],
            "limitation": "GROUP_SCOPE_ONLY"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": "Mustard for oil/food may share heading",
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [
            {
              "cn8": "12075010",
              "description": "Mustard seeds for sowing",
              "worksheet_row": 1476
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Identity membership only; broad customs category never allocated to this species"
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "cabbage",
      "canonical_entity_ids": [
        "cabbage"
      ],
      "common_name": "Cabbage / kale / broccoli crop types",
      "botanical_name": "Brassica oleracea",
      "biological_species_key": "Brassica oleracea",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "COVER_CROP",
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "cabbage": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "defra",
          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "cabbage",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "turnip-rape",
      "canonical_entity_ids": [
        "turnip-rape"
      ],
      "common_name": "Turnip rape; source-reported scope",
      "botanical_name": "Brassica rapa",
      "biological_species_key": "Brassica rapa",
      "seedtrade_category": "oil-fibre-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 14,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "PARTIAL",
      "entity_cn_statuses": {
        "turnip-rape": "PARTIAL"
      },
      "cn_codes": [
        "12051010"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "LV",
        "SI",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 2,
      "comparable_series": [
        {
          "id": "series-08fb29cb35f3d38aa7f2",
          "country": "LV",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "INSPECTED_SEED_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-163f659021a0100cc939",
          "country": "SI",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DECLARED_FOR_CERTIFICATION",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-1dc5f01b45920c51f046",
          "country": "SK",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-543f18bd7f8322153702",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Řepice - Turnip rape",
          "history_length": 2
        },
        {
          "id": "series-7615b44fc477efb303c0",
          "country": "SI",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_CERTIFICATION_FIELD",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-7d558b745a4fa8149936",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-8de14f52c36b5392886d",
          "country": "SI",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "OFFICIALLY_CONFIRMED_SEED_HARVEST",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-9b8f8a0f97b11fe28b36",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-aa6c877307ebdfd41f6f",
          "country": "LV",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-d9a3ade9b5645bf67864",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        }
      ],
      "coverage_grade": "LIMITED",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-18df9765e07ee8e2880e",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2024",
          "terminology": "OFFICIALLY_CONFIRMED_SEED_HARVEST",
          "title": "Pridelava uradno potrjenega semena 2024",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2024.docx"
        },
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
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        {
          "source_id": "src-3bfc2a46dcb1b7383678",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2024",
          "terminology": "APPROVED_CERTIFICATION_FIELD",
          "title": "Pridelava uradno potrjenega semena 2024",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2024.docx"
        },
        {
          "source_id": "src-465d7a01760c348cd572",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2021",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-69ab62159483509a3b75",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2025",
          "terminology": "OFFICIALLY_CONFIRMED_SEED_HARVEST",
          "title": "Pridelava uradno potrjenega semena 2025",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
        },
        {
          "source_id": "src-96d3c92844be47b5d730",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2024",
          "terminology": "DECLARED_FOR_CERTIFICATION",
          "title": "Pridelava uradno potrjenega semena 2024",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2024.docx"
        },
        {
          "source_id": "src-9f3256bd5340d597a682",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2021",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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        {
          "source_id": "src-b61aec6641c9b242bba4",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2025",
          "terminology": "DECLARED_FOR_CERTIFICATION",
          "title": "Pridelava uradno potrjenega semena 2025",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
        },
        {
          "source_id": "src-bb5f1b3e7aa02f933775",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-c762413f0dd2391e31fb",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2024/2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Winterungen gesamt ohnen Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Winterungen_gesamt/Winterungen_gesamt_ohne_Sorte_2025_BAES.pdf"
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        {
          "source_id": "src-cbf7131937e45dd7373a",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2025",
          "terminology": "APPROVED_CERTIFICATION_FIELD",
          "title": "Pridelava uradno potrjenega semena 2025",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
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        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        },
        {
          "source_id": "src-d6eb0e90b426d28262b4",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-edf42f77372345a603a0",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2024/2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Winterungen gesamt ohnen Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Winterungen_gesamt/Winterungen_gesamt_ohne_Sorte_2025_BAES.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "turnip-rape",
          "mapping_status": "CN_MAPPING_PARTIAL",
          "nomenclature_year": 2026,
          "cn4": [
            "1205"
          ],
          "cn6": [
            "120510"
          ],
          "cn8": [
            "12051010"
          ],
          "hs6": [
            "120510"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12051010"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [
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            ]
          },
          "official_descriptions": [
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              "cn8": "12051010",
              "description": "Low erucic acid rape or colza seeds \"yielding a fixed oil which has an erucic acid content of < 2% and yielding a solid component of glucosinolates of < 30 micromoles/g\", for sowing",
              "worksheet_row": 1464
            },
            {
              "cn8": "12051090",
              "description": "Low erucic rape or colza seeds \"yielding a fixed oil which has an erucic acid content of < 2% and yielding a solid component of glucosinolates of < 30 micromoles/g\", whether or not broken (excl. for sowing)",
              "worksheet_row": 1465
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Only the explicitly low-erucic sowing branch is represented; no erucic type inferred for any production observation. High-erucic mixed-use branch is not assigned."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "camelina",
      "canonical_entity_ids": [
        "camelina"
      ],
      "common_name": "Camelina",
      "botanical_name": "Camelina sativa",
      "biological_species_key": "Camelina sativa",
      "seedtrade_category": "oil-fibre-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 5,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "REVIEW_REQUIRED",
      "entity_cn_statuses": {
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      "cn_codes": [],
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      "coverage_grade": "LIMITED",
      "public_safe": true,
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      ],
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        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
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          "source": "Eurostat COMEXT DS-045409",
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          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-9f3298feb30df197538f",
          "accessed": "2026-10-02",
          "organisation": "VAT",
          "reporting_period": "2025",
          "terminology": "Aprobuota, ha",
          "title": "VAT seed certification statistics",
          "url": "https://vatzum.lrv.lt/public/canonical/1762490747/24010/2025-11-07_33L-85%20%C5%BE.%C5%AB.%20augal%C5%B3%20pas%C4%97liai.pdf"
        },
        {
          "source_id": "src-b61aec6641c9b242bba4",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2025",
          "terminology": "DECLARED_FOR_CERTIFICATION",
          "title": "Pridelava uradno potrjenega semena 2025",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
        },
        {
          "source_id": "src-bb5f1b3e7aa02f933775",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-c6fde76c5c278edc1763",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2025",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-cbf7131937e45dd7373a",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2025",
          "terminology": "APPROVED_CERTIFICATION_FIELD",
          "title": "Pridelava uradno potrjenega semena 2025",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
        },
        {
          "source_id": "src-d6eb0e90b426d28262b4",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
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          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-df8f948435955815df7b",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2020/2021",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
        },
        {
          "source_id": "src-f8d90c5b8986e8058c21",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2023",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      ],
      "trade_provenance": [
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          "species_values_allocated": false,
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          "hs6": [
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          },
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            "usage": "NON_SOWING_COMMODITY",
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            "recovered_note": "Food/oil hemp seed may share heading",
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          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
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            "12079920 is a multi-species residual sowing category; not hemp-specific."
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      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
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      "canonical_entity_ids": [
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      "production_evidence": true,
      "certified_area_evidence": false,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
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      "entity_cn_statuses": {
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      "sowing_non_sowing_separated": true,
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      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
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        {
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2022-2023.xlsx",
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        {
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          "organisation": "MAPA",
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
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        {
          "source_id": "src-965e59d4176563385a7d",
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          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
        },
        {
          "source_id": "src-df8f948435955815df7b",
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
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        {
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          "organisation": "MAPA",
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          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
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      "identity_provenance": [
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        {
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          "hs6": [
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          "hs6_scope": "Hierarchy only; no species/sowing proof",
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          "non_sowing_commodity": {
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        {
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          "unit": "ha",
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        {
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        {
          "id": "series-fbd580ba58ca72a9ef53",
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-9f3298feb30df197538f",
          "accessed": "2026-10-02",
          "organisation": "VAT",
          "reporting_period": "2025",
          "terminology": "Aprobuota, ha",
          "title": "VAT seed certification statistics",
          "url": "https://vatzum.lrv.lt/public/canonical/1762490747/24010/2025-11-07_33L-85%20%C5%BE.%C5%AB.%20augal%C5%B3%20pas%C4%97liai.pdf"
        },
        {
          "source_id": "src-bb5f1b3e7aa02f933775",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        },
        {
          "source_id": "src-d6eb0e90b426d28262b4",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-df8f948435955815df7b",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2020/2021",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
        },
        {
          "source_id": "src-f499fa53a964290a5bab",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "safflower",
          "mapping_status": "CN_MAPPING_PARTIAL",
          "nomenclature_year": 2026,
          "cn4": [
            "1207"
          ],
          "cn6": [
            "120760"
          ],
          "cn8": [
            "12076000"
          ],
          "hs6": [
            "120760"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific code"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12076000",
              "description": "Safflower \"Carthamus tinctorius\" seeds",
              "worksheet_row": 1478
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Named product heading does not distinguish sowing from other uses; mixed-use codes never appear as verified sowing or non-sowing codes."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "caraway",
      "canonical_entity_ids": [
        "caraway"
      ],
      "common_name": "Caraway",
      "botanical_name": "Carum carvi",
      "biological_species_key": "Carum carvi",
      "seedtrade_category": "herbs-specialty",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 8,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "PARTIAL",
      "entity_cn_statuses": {
        "caraway": "PARTIAL"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "LT",
        "LV"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-0841423e966f18659002",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-5ca09bcfb34ceb8cd908",
          "country": "LV",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "INSPECTED_SEED_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-6b89caa371282fb2d3fa",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Kmín - Caraway",
          "history_length": 3
        },
        {
          "id": "series-98b087d0446a4caac2cf",
          "country": "LV",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-a20c9e61a4a96a4d511e",
          "country": "LT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-acd08efce8ff4bafbfce",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-465d7a01760c348cd572",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2021",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-9f3256bd5340d597a682",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2021",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-9f3298feb30df197538f",
          "accessed": "2026-10-02",
          "organisation": "VAT",
          "reporting_period": "2025",
          "terminology": "Aprobuota, ha",
          "title": "VAT seed certification statistics",
          "url": "https://vatzum.lrv.lt/public/canonical/1762490747/24010/2025-11-07_33L-85%20%C5%BE.%C5%AB.%20augal%C5%B3%20pas%C4%97liai.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-c762413f0dd2391e31fb",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2024/2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Winterungen gesamt ohnen Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Winterungen_gesamt/Winterungen_gesamt_ohne_Sorte_2025_BAES.pdf"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        },
        {
          "source_id": "src-edf42f77372345a603a0",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2024/2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Winterungen gesamt ohnen Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Winterungen_gesamt/Winterungen_gesamt_ohne_Sorte_2025_BAES.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "caraway",
          "mapping_status": "CN_MAPPING_PARTIAL",
          "nomenclature_year": 2026,
          "cn4": [
            "0909"
          ],
          "cn6": [
            "090961"
          ],
          "cn8": [],
          "hs6": [
            "090961"
          ],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific CN8"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": "Spice seed and sowing seed require separation",
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "09096100 includes caraway among several spices without sowing-use separation; not a confirmed sowing code."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "quinoa",
      "canonical_entity_ids": [
        "quinoa"
      ],
      "common_name": "Quinoa",
      "botanical_name": "Chenopodium quinoa",
      "biological_species_key": "Chenopodium quinoa",
      "seedtrade_category": "cereals-pseudocereals",
      "use_tags": [
        "COVER_CROP"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "quinoa": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "quinoa",
          "organisation": "Walloon Government / WALLEX",
          "url": "https://wallex.wallonie.be/eli/arrete/2023/02/23/2023042741/2026/01/01",
          "retrieved_at": "2026-10-03",
          "scope": "Annex 1 quinoa botanical identity and sowing-market relevance; not certified-seed production statistics"
        },
        {
          "id": "quinoa-cover",
          "organisation": "Welsh Government",
          "url": "https://www.gov.wales/growing-environment-rules-booklet-window-8-html",
          "retrieved_at": "2026-10-03",
          "scope": "Wildlife cover-crop examples include quinoa and chicory; does not establish catch-crop status"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "quinoa",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "chickpea",
      "canonical_entity_ids": [
        "chickpea"
      ],
      "common_name": "Chickpea",
      "botanical_name": "Cicer arietinum",
      "biological_species_key": "Cicer arietinum",
      "seedtrade_category": "grain-legumes",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 13,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "PARTIAL",
      "entity_cn_statuses": {
        "chickpea": "PARTIAL"
      },
      "cn_codes": [
        "07132000"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "ES",
        "PT"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-0c4a05203900993f4ff1",
          "country": "PT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_MULTIPLICATION_FIELD",
          "scope": "",
          "history_length": 3
        },
        {
          "id": "series-74168641ca96a18e06e9",
          "country": "ES",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-8aad36621e67e8642acd",
          "country": "PT",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS",
          "scope": "",
          "history_length": 3
        },
        {
          "id": "series-c8d5385fba93bea4bc08",
          "country": "ES",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
          "scope": "",
          "history_length": 3
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-13c0c1d38d8c7875de2e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2022/2023",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-36ac75619f56a0bf5043",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2022/2023",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2022-2023.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2022-2023.pdf"
        },
        {
          "source_id": "src-441c358b33cfc8b7cf58",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2024/2025",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-5d633a5cfa1100769ba7",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2024/2025",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-5dfa26e10570608eea87",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-7ef02eff379ba7af3099",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2023/2024",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-944663f5073599bb5480",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-9577de5eb4146bd4d670",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2022/2023",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
        },
        {
          "source_id": "src-adc8a3ea1974895b2c5d",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-b89406c08e7f962ffa3e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-df8f948435955815df7b",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2020/2021",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
        },
        {
          "source_id": "src-f499fa53a964290a5bab",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "chickpea",
          "mapping_status": "CN_MAPPING_PARTIAL",
          "nomenclature_year": 2026,
          "cn4": [
            "0713"
          ],
          "cn6": [
            "071320"
          ],
          "cn8": [
            "07132000"
          ],
          "hs6": [
            "071320"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific code"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "07132000",
              "description": "Dried, shelled chickpeas \"garbanzos\", whether or not skinned or split",
              "worksheet_row": 1122
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Named product heading does not distinguish sowing from other uses; mixed-use codes never appear as verified sowing or non-sowing codes."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "endive",
      "canonical_entity_ids": [
        "endive"
      ],
      "common_name": "Endive",
      "botanical_name": "Cichorium endivia",
      "biological_species_key": "Cichorium endivia",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "endive": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "endive",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "chicory",
      "canonical_entity_ids": [
        "chicory"
      ],
      "common_name": "Chicory",
      "botanical_name": "Cichorium intybus",
      "biological_species_key": "Cichorium intybus",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "COVER_CROP",
        "FORAGE",
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "chicory": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "defra",
          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "quinoa-cover",
          "organisation": "Welsh Government",
          "url": "https://www.gov.wales/growing-environment-rules-booklet-window-8-html",
          "retrieved_at": "2026-10-03",
          "scope": "Wildlife cover-crop examples include quinoa and chicory; does not establish catch-crop status"
        },
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "chicory",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "SOURCE_CONFIRMED_NOT_ACTIVATED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated.",
        "Printed table conflicts with crop-specific maps/pages 78-79 or earlier SEMAE table. Original labels/values retained; no swap or automatic correction."
      ]
    },
    {
      "canonical_species_id": "watermelon",
      "canonical_entity_ids": [
        "watermelon"
      ],
      "common_name": "Watermelon",
      "botanical_name": "Citrullus lanatus",
      "biological_species_key": "Citrullus lanatus",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "watermelon": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "watermelon",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "coriander",
      "canonical_entity_ids": [
        "coriander"
      ],
      "common_name": "Coriander",
      "botanical_name": "Coriandrum sativum",
      "biological_species_key": "Coriandrum sativum",
      "seedtrade_category": "herbs-specialty",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "coriander": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "coriander",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "SOURCE_CONFIRMED_NOT_ACTIVATED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated.",
        "Printed table conflicts with crop-specific maps/pages 78-79 or earlier SEMAE table. Original labels/values retained; no swap or automatic correction."
      ]
    },
    {
      "canonical_species_id": "sunn-hemp",
      "canonical_entity_ids": [
        "sunn-hemp"
      ],
      "common_name": "Sunn hemp",
      "botanical_name": "Crotalaria juncea",
      "biological_species_key": "Crotalaria juncea",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "sunn-hemp": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "sunn-hemp",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "melon",
      "canonical_entity_ids": [
        "melon"
      ],
      "common_name": "Melon",
      "botanical_name": "Cucumis melo",
      "biological_species_key": "Cucumis melo",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "melon": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "melon",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "SOURCE_CONFIRMED_NOT_ACTIVATED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated.",
        "SEMAE sector-only source attribution; SOCFrance official lineage not explicitly stated for this protected-cultivation table. Retained separately pending authority/stage confirmation. Not certified area."
      ]
    },
    {
      "canonical_species_id": "cucumber",
      "canonical_entity_ids": [
        "cucumber"
      ],
      "common_name": "Cucumber / gherkin",
      "botanical_name": "Cucumis sativus",
      "biological_species_key": "Cucumis sativus",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "cucumber": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "cucumber",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "winter-squash",
      "canonical_entity_ids": [
        "winter-squash"
      ],
      "common_name": "Winter squash",
      "botanical_name": "Cucurbita maxima",
      "biological_species_key": "Cucurbita maxima",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "winter-squash": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "winter-squash",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "courgette",
      "canonical_entity_ids": [
        "courgette"
      ],
      "common_name": "Courgette / pumpkin",
      "botanical_name": "Cucurbita pepo",
      "biological_species_key": "Cucurbita pepo",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "courgette": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "courgette",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "artichoke",
      "canonical_entity_ids": [
        "artichoke"
      ],
      "common_name": "Globe artichoke / cardoon",
      "botanical_name": "Cynara cardunculus",
      "biological_species_key": "Cynara cardunculus",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "artichoke": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "artichoke",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "cocksfoot",
      "canonical_entity_ids": [
        "cocksfoot"
      ],
      "common_name": "Cocksfoot / orchard grass",
      "botanical_name": "Dactylis glomerata",
      "biological_species_key": "Dactylis glomerata",
      "seedtrade_category": "grass-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "FORAGE",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 16,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "cocksfoot": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092945"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "ES",
        "LV",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-038cc317b6c147c146fa",
          "country": "LV",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "INSPECTED_SEED_FIELD",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-36add3a3d895d981f4c2",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
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        },
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        },
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          "id": "series-8b5c1fcb59c1e9344ce9",
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          "definition": "APPROVED_FIELD",
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        },
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          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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          "history_length": 1
        },
        {
          "id": "series-c2eb12deda7de2bc83c6",
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          "metric": "SEED_PRODUCTION_AREA",
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      "coverage_grade": "MODERATE",
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        {
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        {
          "source_id": "src-965e59d4176563385a7d",
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          "organisation": "MAPA",
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
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        {
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        {
          "source_id": "src-b72eb5dc5ac2e220402a",
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          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
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        {
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        {
          "source_id": "src-df8f948435955815df7b",
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          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
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      ],
      "identity_provenance": [
        {
          "id": "defra",
          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
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          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
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          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      "trade_provenance": [
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          "cn8": [],
          "species_values_allocated": false,
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          "sowing_seed": {
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          },
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      "production_evidence_before": false,
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      "new_official_observations": 5,
      "trade_evidence": false,
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      "entity_cn_statuses": {
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      ],
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      "comparable_series": [
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      "coverage_grade": "MODERATE",
      "public_safe": true,
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          "reporting_period": "Harvest 2021–2025",
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      "identity_provenance": [
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          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
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          "cn8": [],
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        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
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    },
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      "seedtrade_category": "cereals-pseudocereals",
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        "SEED_PRODUCTION"
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      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
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      "production_evidence_before": true,
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      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
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      "entity_cn_statuses": {
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      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "LT",
        "LV",
        "SI",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
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          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Pohanka obecná - Buckwheat",
          "history_length": 3
        },
        {
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          "country": "SI",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "OFFICIALLY_CONFIRMED_SEED_HARVEST",
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          "history_length": 1
        },
        {
          "id": "series-1c205816f51053a4871c",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
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          "history_length": 2
        },
        {
          "id": "series-1e64df5322f586c47f27",
          "country": "LV",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
          "scope": "vasaras",
          "history_length": 5
        },
        {
          "id": "series-225c8a11f6d398bb66c6",
          "country": "SI",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "OFFICIALLY_CONFIRMED_SEED_HARVEST",
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          "history_length": 1
        },
        {
          "id": "series-43f694b65dbda429433b",
          "country": "SI",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "OFFICIALLY_CONFIRMED_SEED_HARVEST",
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          "history_length": 2
        },
        {
          "id": "series-5972e82b67d9e68d89f4",
          "country": "SI",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_CERTIFICATION_FIELD",
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          "history_length": 1
        },
        {
          "id": "series-6afaa3ddcc0b177084c9",
          "country": "SI",
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          "unit": "ha",
          "definition": "APPROVED_CERTIFICATION_FIELD",
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        },
        {
          "id": "series-6d8306462e4f4eae0312",
          "country": "LV",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "INSPECTED_SEED_FIELD",
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          "history_length": 5
        },
        {
          "id": "series-85fe3f7f3a1b50001ec7",
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          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific CN8"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": "Grain and seed use require separation",
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Current CN heading does not separate sowing and non-sowing use; product evidence required."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "tall-fescue",
      "canonical_entity_ids": [
        "tall-fescue"
      ],
      "common_name": "Tall fescue",
      "botanical_name": "Festuca arundinacea",
      "biological_species_key": "Festuca arundinacea",
      "seedtrade_category": "grass-seeds",
      "use_tags": [
        "FORAGE"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": false,
      "production_observation_count": 6,
      "new_official_observations": 6,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "tall-fescue": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "DE",
        "PL"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2022,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 4,
      "comparable_series": [
        {
          "id": "SCV1-series-01",
          "country": "DE",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "REGIONAL: Brandenburg (DE-BB); not Germany total",
          "history_length": 4
        },
        {
          "id": "SCV1-series-13",
          "country": "PL",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "REGIONAL: Mazowieckie (PL-14); not Poland total; Objęto oceną",
          "history_length": 1
        },
        {
          "id": "SCV1-series-14",
          "country": "PL",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "REGIONAL: Mazowieckie (PL-14); not Poland total; Zakwalifikowano",
          "history_length": 1
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "lelf-brandenburg",
          "organisation": "LELF Brandenburg",
          "title": "Saatenanerkennung: Tabellen V.25.3–V.25.5; Brandenburg, not Germany total",
          "url": "https://lelf.brandenburg.de/lelf/de/landwirtschaft/acker-und-pflanzenbau/saatenanerkennung/",
          "accessed": "2026-10-03",
          "reporting_period": "2021–2025 or 2022–2025",
          "terminology": "Angemeldete Vermehrungsfläche"
        },
        {
          "source_id": "wiorin-mazowieckie-2025",
          "organisation": "WIORiN Warszawa",
          "title": "2025 activity report; table 3.2, p.80; Mazowieckie, not Poland total",
          "url": "https://www.gov.pl/attachment/dcfab9c3-1d53-4c83-a3ea-d552df76587d#page=80",
          "accessed": "2026-10-03",
          "reporting_period": "2025",
          "terminology": "Objęto oceną / Zakwalifikowano: inspected / field approved, separate stages"
        }
      ],
      "identity_provenance": [
        {
          "id": "defra",
          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "tall-fescue",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX:01966L0401-20190101",
          "retrieved_at": "2026-10-03",
          "scope": "Official seed nomenclature Festuca arundinacea; market name preserved, not assertion of universal current botanical acceptance"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "tall-fescue",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NEW_OFFICIAL_EVIDENCE",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "Regional observations are not national totals and may overlap existing national reporting; never add them together.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "meadow-fescue",
      "canonical_entity_ids": [
        "meadow-fescue"
      ],
      "common_name": "Meadow fescue",
      "botanical_name": "Festuca pratensis",
      "biological_species_key": "Festuca pratensis",
      "seedtrade_category": "grass-seeds",
      "use_tags": [
        "FORAGE",
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 15,
      "new_official_observations": 0,
      "trade_evidence": true,
      "trade_granularity": "SPECIES_SPECIFIC",
      "cn_status": "CONFIRMED",
      "entity_cn_statuses": {
        "meadow-fescue": "CONFIRMED"
      },
      "cn_codes": [
        "12092311"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "LV"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": "2026-06",
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "series-8af331767917fc5d2f8d",
          "country": "LV",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "INSPECTED_SEED_FIELD",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-8c770a9abceed0e2c30a",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Kostřava luční - Meadow fescue",
          "history_length": 3
        },
        {
          "id": "series-9f91863551c2847777d9",
          "country": "LV",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-c3a64b41a252a6456d0b",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-fc95c4ba1be7da193aaf",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        }
      ],
      "coverage_grade": "STRONG",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-021dc3f275c3d396b714",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2024",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-26351f7c0823227eed3a",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2022",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-2f3f8e9ef6557f29fc23",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2024",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-334d9f7c060b34e21534",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2022",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-465d7a01760c348cd572",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2021",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-72dc3f31477022e01cec",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2023",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-8da62e8a44f240105822",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2025",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-9f3256bd5340d597a682",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2021",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-c6fde76c5c278edc1763",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2025",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        },
        {
          "source_id": "src-f8d90c5b8986e8058c21",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2023",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        }
      ],
      "identity_provenance": [
        {
          "id": "defra",
          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "SPECIES_SPECIFIC",
          "market_slugs": [
            "meadow-fescue"
          ],
          "cn8": [
            "12092311"
          ],
          "species_values_allocated": true,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "meadow-fescue",
          "mapping_status": "CN_MAPPING_CONFIRMED",
          "nomenclature_year": 2026,
          "cn4": [
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          ],
          "cn6": [
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          ],
          "cn8": [
            "12092311"
          ],
          "hs6": [
            "120923"
          ],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092311"
            ],
            "limitation": null
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": null,
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [
            {
              "cn8": "12092311",
              "description": "Meadow fescue seed for sowing",
              "worksheet_row": 1491
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred."
      ]
    },
    {
      "canonical_species_id": "red-fescue",
      "canonical_entity_ids": [
        "red-fescue"
      ],
      "common_name": "Red fescue",
      "botanical_name": "Festuca rubra",
      "biological_species_key": "Festuca rubra",
      "seedtrade_category": "grass-seeds",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 17,
      "new_official_observations": 0,
      "trade_evidence": true,
      "trade_granularity": "SPECIES_SPECIFIC",
      "cn_status": "CONFIRMED",
      "entity_cn_statuses": {
        "red-fescue": "CONFIRMED"
      },
      "cn_codes": [
        "12092315"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "CZ",
        "ES",
        "LV",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
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        "LV"
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      "latest_year": 2025,
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          "metric": "SEED_PRODUCTION_AREA",
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          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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          "definition": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
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          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
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          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "terminology": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
          "title": "Certified small-seeded legumes — public VAAD datastore",
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        {
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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      ],
      "identity_provenance": [
        {
          "id": "v041",
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          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      "trade_provenance": [
        {
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          "source": "Eurostat COMEXT DS-045409",
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          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
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          "hs6": [
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        "CZ",
        "ES",
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        "IT",
        "SK"
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          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
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        },
        {
          "id": "series-14eb0d33e601c0cffd8e",
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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        },
        {
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
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          "history_length": 3
        },
        {
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          "unit": "kg",
          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
          "scope": "",
          "history_length": 1
        },
        {
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          "country": "FR",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-b9a86336151d06f63de3",
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-baf7065cd2aebac407dd",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-bb84cda7af7d1ecc8fdc",
          "country": "SK",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-c443338be4d6b3b11709",
          "country": "HR",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-c6bdbf27231d6357fae5",
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          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
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        },
        {
          "id": "series-d2d35c183e3bc739063e",
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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        {
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      ],
      "cn_provenance": [
        {
          "canonical_species_id": "soybean",
          "mapping_status": "CN_MAPPING_CONFIRMED",
          "nomenclature_year": 2026,
          "cn4": [
            "1201"
          ],
          "cn6": [
            "120110"
          ],
          "cn8": [
            "12011000"
          ],
          "hs6": [
            "120110"
          ],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12011000"
            ],
            "limitation": null
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [
              "12019000"
            ],
            "recovered_note": "Oilseed and sowing use require separation",
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [
            {
              "cn8": "12011000",
              "description": "Soya bean seed, for sowing",
              "worksheet_row": 1456
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Recovered parent classification conflicts with official 2026 CN; raw record preserved, derived override shown explicitly."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "niger",
      "canonical_entity_ids": [
        "niger"
      ],
      "common_name": "Niger",
      "botanical_name": "Guizotia abyssinica",
      "biological_species_key": "Guizotia abyssinica",
      "seedtrade_category": "oil-fibre-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "niger": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "niger",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "sunflower",
      "canonical_entity_ids": [
        "sunflower"
      ],
      "common_name": "Sunflower",
      "botanical_name": "Helianthus annuus",
      "biological_species_key": "Helianthus annuus",
      "seedtrade_category": "oil-fibre-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 20,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "CONFIRMED",
      "entity_cn_statuses": {
        "sunflower": "CONFIRMED"
      },
      "cn_codes": [
        "12060010"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "ES",
        "FR",
        "HU",
        "PT",
        "RO",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "series-2e8af16e550f5e0a73b2",
          "country": "RO",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-58718a6d4db0bce8633b",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-5b8e9997295a736c9a7d",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-973e8eb3fa549c0353ce",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-9c8e234234125330b538",
          "country": "ES",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
          "scope": "",
          "history_length": 3
        },
        {
          "id": "series-a74b2f4fc31ce7cf66ec",
          "country": "PT",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-b85347440e55bfdff4e3",
          "country": "FR",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-c0751bbaf5d1dd2bd687",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-c992620eb29de4573be4",
          "country": "SK",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-de14101f3a00c6b6a736",
          "country": "HU",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-e528aba8b575789caeb4",
          "country": "PT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_MULTIPLICATION_FIELD",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-e643efd6118baa28b499",
          "country": "ES",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-e6a1e4bbe857b6be7d9a",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-079ed23ec7c3ae175031",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-36ac75619f56a0bf5043",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2022/2023",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2022-2023.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2022-2023.pdf"
        },
        {
          "source_id": "src-5d633a5cfa1100769ba7",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2024/2025",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-5dfa26e10570608eea87",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-7ef02eff379ba7af3099",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2023/2024",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-944663f5073599bb5480",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-9577de5eb4146bd4d670",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2022/2023",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-95c0db30a11170d6e81c",
          "accessed": "2026-10-02",
          "organisation": "ESCAA",
          "reporting_period": "2025",
          "terminology": "field production area for seeds",
          "title": "Seed production in EU - 2025",
          "url": "https://www.escaa.org/index/action/page/id/7/title/seed-production-in-eu---2025"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-b89406c08e7f962ffa3e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-bb5f1b3e7aa02f933775",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-d6eb0e90b426d28262b4",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-df8f948435955815df7b",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2020/2021",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
        },
        {
          "source_id": "src-f499fa53a964290a5bab",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "sunflower",
          "mapping_status": "CN_MAPPING_CONFIRMED",
          "nomenclature_year": 2026,
          "cn4": [
            "1206"
          ],
          "cn6": [
            "120600"
          ],
          "cn8": [
            "12060010"
          ],
          "hs6": [
            "120600"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12060010"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [
              "12060091",
              "12060099"
            ]
          },
          "official_descriptions": [
            {
              "cn8": "12060010",
              "description": "Sunflower seeds for sowing",
              "worksheet_row": 1467
            },
            {
              "cn8": "12060091",
              "description": "Sunflower seeds, whether or not broken, shelled or in grey and white striped shell (excl. for sowing)",
              "worksheet_row": 1468
            },
            {
              "cn8": "12060099",
              "description": "Sunflower seeds, whether or not broken (excl. for sowing, shelled and in grey and white striped shell)",
              "worksheet_row": 1469
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "barley",
      "canonical_entity_ids": [
        "barley"
      ],
      "common_name": "Barley",
      "botanical_name": "Hordeum vulgare",
      "biological_species_key": "Hordeum vulgare",
      "seedtrade_category": "cereals-pseudocereals",
      "use_tags": [
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 84,
      "new_official_observations": 0,
      "trade_evidence": false,
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          "url": "https://data.gov.lv/dati/dataset/dbd2b2ed-148e-426e-abbf-97f1d2fd9de1/resource/ae839ed9-5d09-4f29-be5e-4f8992d8dbbf/download/dati_sert_sekla_labibas.xlsx"
        },
        {
          "source_id": "src-5dfa26e10570608eea87",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-69ab62159483509a3b75",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2025",
          "terminology": "OFFICIALLY_CONFIRMED_SEED_HARVEST",
          "title": "Pridelava uradno potrjenega semena 2025",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
        },
        {
          "source_id": "src-72dc3f31477022e01cec",
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          "organisation": "VAAD",
          "reporting_period": "2023",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-7ef02eff379ba7af3099",
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          "organisation": "MAPA",
          "reporting_period": "2023/2024",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
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          "organisation": "VAAD",
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-944663f5073599bb5480",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
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          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-9577de5eb4146bd4d670",
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          "organisation": "DGAV",
          "reporting_period": "2022/2023",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-95c0db30a11170d6e81c",
          "accessed": "2026-10-02",
          "organisation": "ESCAA",
          "reporting_period": "2025",
          "terminology": "field production area for seeds",
          "title": "Seed production in EU - 2025",
          "url": "https://www.escaa.org/index/action/page/id/7/title/seed-production-in-eu---2025"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
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          "organisation": "MAPA",
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
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        {
          "source_id": "src-96d3c92844be47b5d730",
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          "organisation": "UVHVVR",
          "reporting_period": "2024",
          "terminology": "DECLARED_FOR_CERTIFICATION",
          "title": "Pridelava uradno potrjenega semena 2024",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2024.docx"
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        {
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          "organisation": "VAAD",
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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        {
          "source_id": "src-adc8a3ea1974895b2c5d",
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          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
          "source_id": "src-b61aec6641c9b242bba4",
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          "organisation": "UVHVVR",
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          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
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        {
          "source_id": "src-b72eb5dc5ac2e220402a",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
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          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
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        {
          "source_id": "src-b89406c08e7f962ffa3e",
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          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-bb5f1b3e7aa02f933775",
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          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
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        {
          "source_id": "src-c6fde76c5c278edc1763",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2025",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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        {
          "source_id": "src-c762413f0dd2391e31fb",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2024/2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Winterungen gesamt ohnen Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Winterungen_gesamt/Winterungen_gesamt_ohne_Sorte_2025_BAES.pdf"
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        {
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          "organisation": "UVHVVR",
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          "terminology": "APPROVED_CERTIFICATION_FIELD",
          "title": "Pridelava uradno potrjenega semena 2025",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
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        {
          "source_id": "src-ceefec903425a4e5924f",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2024",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
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        {
          "source_id": "src-d2acc2e7fafc88871acf",
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          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
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          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
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        {
          "source_id": "src-df8f948435955815df7b",
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          "organisation": "MAPA",
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
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        {
          "source_id": "src-edf42f77372345a603a0",
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          "organisation": "BAES",
          "reporting_period": "2024/2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Winterungen gesamt ohnen Sorten 2025",
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        {
          "source_id": "src-f499fa53a964290a5bab",
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          "organisation": "MAPA",
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          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        },
        {
          "source_id": "src-f8d90c5b8986e8058c21",
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        }
      ],
      "identity_provenance": [
        {
          "id": "defra",
          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
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      ],
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        {
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          "mapping_status": "CN_MAPPING_CONFIRMED",
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          "cn8": [
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          "hs6": [
            "100310"
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          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "10031000"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [
              "10039000"
            ]
          },
          "official_descriptions": [
            {
              "cn8": "10031000",
              "description": "Barley seed for sowing",
              "worksheet_row": 1328
            },
            {
              "cn8": "10039000",
              "description": "Barley (excl. seed for sowing)",
              "worksheet_row": 1329
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
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      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "lettuce",
      "canonical_entity_ids": [
        "lettuce"
      ],
      "common_name": "Lettuce",
      "botanical_name": "Lactuca sativa",
      "biological_species_key": "Lactuca sativa",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
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      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "lettuce": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "lettuce",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "SOURCE_CONFIRMED_NOT_ACTIVATED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated.",
        "SEMAE sector-only source attribution; SOCFrance official lineage not explicitly stated for this protected-cultivation table. Retained separately pending authority/stage confirmation. Not certified area."
      ]
    },
    {
      "canonical_species_id": "red-pea",
      "canonical_entity_ids": [
        "red-pea"
      ],
      "common_name": "Red pea",
      "botanical_name": "Lathyrus cicera",
      "biological_species_key": "Lathyrus cicera",
      "seedtrade_category": "grain-legumes",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 10,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "red-pea": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092980"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "PT"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "series-4cc40ab4f9af744919bb",
          "country": "PT",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-6c839855b8a64ae1f568",
          "country": "PT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_MULTIPLICATION_FIELD",
          "scope": "",
          "history_length": 5
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-079ed23ec7c3ae175031",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-13c0c1d38d8c7875de2e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2022/2023",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-15d3b4a1ed023aae6cc4",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-441c358b33cfc8b7cf58",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2024/2025",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-5d633a5cfa1100769ba7",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2024/2025",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-5dfa26e10570608eea87",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-944663f5073599bb5480",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-9577de5eb4146bd4d670",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2022/2023",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-adc8a3ea1974895b2c5d",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-b89406c08e7f962ffa3e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "red-pea",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092980"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092980"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092980",
              "description": "Seeds of forage plants, for sowing (excl. cereals and fodder beet seed \"Beta vulgaris var. alba\", sugar beet seed, lucerne seed, clover \"Trifolium spp.\" seed, fesque seed, Kentucky blue grass \"Poa pratensis L.\" seed, ryegrass \"Lolium multiflorum lam., Lolium perenne L.\" seed, Timothy grass seed, vetch seed, seeds of the genus Poa palustris L and Poa trivialis L., cocksfoot grass \"Dactylis glomerata L.\" seed, bent grass \"Agrostis\" seed and lupine seed)",
              "worksheet_row": 1500
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Residual forage-plant heading supported by original official forage seed classification; product use must be confirmed. Not a species-specific tariff classification ruling."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "lentil",
      "canonical_entity_ids": [
        "lentil"
      ],
      "common_name": "Lentil",
      "botanical_name": "Lens culinaris",
      "biological_species_key": "Lens culinaris",
      "seedtrade_category": "grain-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": false,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 5,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "PARTIAL",
      "entity_cn_statuses": {
        "lentil": "PARTIAL"
      },
      "cn_codes": [
        "07134000"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "ES"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-3911366fbe7225e00ddd",
          "country": "ES",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-f19f1e7af8a572876648",
          "country": "ES",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
          "scope": "",
          "history_length": 3
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-36ac75619f56a0bf5043",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2022/2023",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2022-2023.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2022-2023.pdf"
        },
        {
          "source_id": "src-7ef02eff379ba7af3099",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2023/2024",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
        },
        {
          "source_id": "src-df8f948435955815df7b",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2020/2021",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
        },
        {
          "source_id": "src-f499fa53a964290a5bab",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "lentil",
          "mapping_status": "CN_MAPPING_PARTIAL",
          "nomenclature_year": 2026,
          "cn4": [
            "0713"
          ],
          "cn6": [
            "071340"
          ],
          "cn8": [
            "07134000"
          ],
          "hs6": [
            "071340"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific code"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "07134000",
              "description": "Dried, shelled lentils, whether or not skinned or split",
              "worksheet_row": 1130
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Named product heading does not distinguish sowing from other uses; mixed-use codes never appear as verified sowing or non-sowing codes."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "garden-cress",
      "canonical_entity_ids": [
        "garden-cress"
      ],
      "common_name": "Garden cress",
      "botanical_name": "Lepidium sativum",
      "biological_species_key": "Lepidium sativum",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "garden-cress": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "garden-cress",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "flax",
      "canonical_entity_ids": [
        "flax"
      ],
      "common_name": "Flax",
      "botanical_name": "Linum usitatissimum",
      "biological_species_key": "Linum usitatissimum",
      "seedtrade_category": "oil-fibre-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 34,
      "new_official_observations": 0,
      "trade_evidence": true,
      "trade_granularity": "SPECIES_SPECIFIC",
      "cn_status": "CONFIRMED",
      "entity_cn_statuses": {
        "flax": "CONFIRMED"
      },
      "cn_codes": [
        "12040010"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "BE",
        "BG",
        "CZ",
        "ES",
        "FR",
        "LT",
        "LV",
        "NL",
        "PT",
        "SK"
      ],
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          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
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          "organisation": "SeedTrade evidence review of official national seed authorities",
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          },
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      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
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        "PT",
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        },
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        },
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          "unit": "kg",
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        },
        {
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          "unit": "ha",
          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "scope": " ssp. aternativum (viengadīgā)",
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        },
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        },
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          "country": "CZ",
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          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Jílek mnohokvětý italský - Italian ryegrass",
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          "definition": "FIELD_INSPECTED",
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        },
        {
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          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "hybrid-ryegrass",
          "mapping_status": "CN_MAPPING_REVIEW_REQUIRED",
          "nomenclature_year": 2026,
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific code"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Taxonomy alone does not establish this hybrid/crop-use/product-form customs classification; no residual code forced."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "birdsfoot-trefoil",
      "canonical_entity_ids": [
        "birdsfoot-trefoil"
      ],
      "common_name": "Birdsfoot trefoil",
      "botanical_name": "Lotus corniculatus",
      "biological_species_key": "Lotus corniculatus",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "FORAGE",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 8,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "birdsfoot-trefoil": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092980"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "series-a01388e87cac81f904a8",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Štírovník růžkatý - Birdsfoot trefoil",
          "history_length": 5
        },
        {
          "id": "series-bac1f0d00c4e89363428",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-fd41588b02a6d025efc0",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-104a6217542be8c0faad",
          "accessed": "2026-10-03",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2022",
          "terminology": "Propagating areas entered for certification; Celkem Total (ha)",
          "title": "Přehled přihlášených množitelských ploch 2022, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-q226155---H9dJUxG1/prehled-prihlasenych-mnozitelskych-ploch?_linka=a441775"
        },
        {
          "source_id": "src-1b1bcd08584430e49279",
          "accessed": "2026-10-03",
          "organisation": "BAES",
          "reporting_period": "2022/2023; Ernte 2023",
          "terminology": "zertifizierte Fläche in ha Summe (inkl. Flächen mit Auflage)",
          "title": "Tabelle IV/1.3.2, Sommerungen Österreich gesamt, Saison 2022/2023 (Ernte 2023)",
          "url": "https://www.baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Archvi/Sommerungen_%C3%96sterreich_2023.pdf"
        },
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-580727053849c6b59221",
          "accessed": "2026-10-03",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2021",
          "terminology": "Propagating areas entered for certification; Celkem Total (ha)",
          "title": "Přehled přihlášených množitelských ploch 2021, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-q226269---U3ilaUQm/prehled-prihlasenych-mnozitelskych-ploch?_linka=a441813"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        }
      ],
      "identity_provenance": [
        {
          "id": "defra",
          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "birdsfoot-trefoil",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092980"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092980"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092980",
              "description": "Seeds of forage plants, for sowing (excl. cereals and fodder beet seed \"Beta vulgaris var. alba\", sugar beet seed, lucerne seed, clover \"Trifolium spp.\" seed, fesque seed, Kentucky blue grass \"Poa pratensis L.\" seed, ryegrass \"Lolium multiflorum lam., Lolium perenne L.\" seed, Timothy grass seed, vetch seed, seeds of the genus Poa palustris L and Poa trivialis L., cocksfoot grass \"Dactylis glomerata L.\" seed, bent grass \"Agrostis\" seed and lupine seed)",
              "worksheet_row": 1500
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Residual forage-plant heading supported by original official forage seed classification; product use must be confirmed. Not a species-specific tariff classification ruling."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "white-lupin",
      "canonical_entity_ids": [
        "white-lupin"
      ],
      "common_name": "White lupin",
      "botanical_name": "Lupinus albus",
      "biological_species_key": "Lupinus albus",
      "seedtrade_category": "grain-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": false,
      "production_observation_count": 7,
      "new_official_observations": 7,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "white-lupin": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092950"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "DE",
        "PL"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "SCV1-series-03",
          "country": "DE",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "REGIONAL: Brandenburg (DE-BB); not Germany total",
          "history_length": 5
        },
        {
          "id": "SCV1-series-11",
          "country": "PL",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "REGIONAL: Mazowieckie (PL-14); not Poland total; Objęto oceną",
          "history_length": 1
        },
        {
          "id": "SCV1-series-12",
          "country": "PL",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "REGIONAL: Mazowieckie (PL-14); not Poland total; Zakwalifikowano",
          "history_length": 1
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "lelf-brandenburg",
          "organisation": "LELF Brandenburg",
          "title": "Saatenanerkennung: Tabellen V.25.3–V.25.5; Brandenburg, not Germany total",
          "url": "https://lelf.brandenburg.de/lelf/de/landwirtschaft/acker-und-pflanzenbau/saatenanerkennung/",
          "accessed": "2026-10-03",
          "reporting_period": "2021–2025 or 2022–2025",
          "terminology": "Angemeldete Vermehrungsfläche"
        },
        {
          "source_id": "wiorin-mazowieckie-2025",
          "organisation": "WIORiN Warszawa",
          "title": "2025 activity report; table 3.2, p.80; Mazowieckie, not Poland total",
          "url": "https://www.gov.pl/attachment/dcfab9c3-1d53-4c83-a3ea-d552df76587d#page=80",
          "accessed": "2026-10-03",
          "reporting_period": "2025",
          "terminology": "Objęto oceną / Zakwalifikowano: inspected / field approved, separate stages"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "GROUP_LEVEL",
          "market_slugs": [
            "lupins"
          ],
          "cn8": [
            "12092950"
          ],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "white-lupin",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092950"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092950"
            ],
            "limitation": "GROUP_SCOPE_ONLY"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": "Other forage seed may be grouped",
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [
            {
              "cn8": "12092950",
              "description": "Lupine seed for sowing",
              "worksheet_row": 1498
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Identity membership only; broad customs category never allocated to this species"
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "NEW_OFFICIAL_EVIDENCE",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "Regional observations are not national totals and may overlap existing national reporting; never add them together.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "narrow-leaved-lupin",
      "canonical_entity_ids": [
        "narrow-leaved-lupin"
      ],
      "common_name": "Narrow-leaved lupin",
      "botanical_name": "Lupinus angustifolius",
      "biological_species_key": "Lupinus angustifolius",
      "seedtrade_category": "grain-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": false,
      "production_observation_count": 7,
      "new_official_observations": 7,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "narrow-leaved-lupin": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092950"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "DE",
        "PL"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "SCV1-series-02",
          "country": "DE",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "REGIONAL: Brandenburg (DE-BB); not Germany total",
          "history_length": 5
        },
        {
          "id": "SCV1-series-09",
          "country": "PL",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "REGIONAL: Mazowieckie (PL-14); not Poland total; Objęto oceną",
          "history_length": 1
        },
        {
          "id": "SCV1-series-10",
          "country": "PL",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "REGIONAL: Mazowieckie (PL-14); not Poland total; Zakwalifikowano",
          "history_length": 1
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "lelf-brandenburg",
          "organisation": "LELF Brandenburg",
          "title": "Saatenanerkennung: Tabellen V.25.3–V.25.5; Brandenburg, not Germany total",
          "url": "https://lelf.brandenburg.de/lelf/de/landwirtschaft/acker-und-pflanzenbau/saatenanerkennung/",
          "accessed": "2026-10-03",
          "reporting_period": "2021–2025 or 2022–2025",
          "terminology": "Angemeldete Vermehrungsfläche"
        },
        {
          "source_id": "wiorin-mazowieckie-2025",
          "organisation": "WIORiN Warszawa",
          "title": "2025 activity report; table 3.2, p.80; Mazowieckie, not Poland total",
          "url": "https://www.gov.pl/attachment/dcfab9c3-1d53-4c83-a3ea-d552df76587d#page=80",
          "accessed": "2026-10-03",
          "reporting_period": "2025",
          "terminology": "Objęto oceną / Zakwalifikowano: inspected / field approved, separate stages"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "GROUP_LEVEL",
          "market_slugs": [
            "lupins"
          ],
          "cn8": [
            "12092950"
          ],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "narrow-leaved-lupin",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092950"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092950"
            ],
            "limitation": "GROUP_SCOPE_ONLY"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": "Other forage seed may be grouped",
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [
            {
              "cn8": "12092950",
              "description": "Lupine seed for sowing",
              "worksheet_row": 1498
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Identity membership only; broad customs category never allocated to this species"
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "NEW_OFFICIAL_EVIDENCE",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "Regional observations are not national totals and may overlap existing national reporting; never add them together.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "yellow-lupin",
      "canonical_entity_ids": [
        "yellow-lupin"
      ],
      "common_name": "Yellow lupin",
      "botanical_name": "Lupinus luteus",
      "biological_species_key": "Lupinus luteus",
      "seedtrade_category": "grain-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "yellow-lupin": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092950"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "GROUP_LEVEL",
          "market_slugs": [
            "lupins"
          ],
          "cn8": [
            "12092950"
          ],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "yellow-lupin",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092950"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092950"
            ],
            "limitation": "GROUP_SCOPE_ONLY"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": "Other forage seed may be grouped",
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [
            {
              "cn8": "12092950",
              "description": "Lupine seed for sowing",
              "worksheet_row": 1498
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Identity membership only; broad customs category never allocated to this species"
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "black-medick",
      "canonical_entity_ids": [
        "black-medick"
      ],
      "common_name": "Black medick",
      "botanical_name": "Medicago lupulina",
      "biological_species_key": "Medicago lupulina",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "FORAGE",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 3,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "black-medick": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092980"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "CZ"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2023,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-8c31acfd25bf13d98ea9",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Tolice dětelová - Trefoil",
          "history_length": 3
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        }
      ],
      "identity_provenance": [
        {
          "id": "defra",
          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "black-medick",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092980"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092980"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092980",
              "description": "Seeds of forage plants, for sowing (excl. cereals and fodder beet seed \"Beta vulgaris var. alba\", sugar beet seed, lucerne seed, clover \"Trifolium spp.\" seed, fesque seed, Kentucky blue grass \"Poa pratensis L.\" seed, ryegrass \"Lolium multiflorum lam., Lolium perenne L.\" seed, Timothy grass seed, vetch seed, seeds of the genus Poa palustris L and Poa trivialis L., cocksfoot grass \"Dactylis glomerata L.\" seed, bent grass \"Agrostis\" seed and lupine seed)",
              "worksheet_row": 1500
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Residual forage-plant heading supported by original official forage seed classification; product use must be confirmed. Not a species-specific tariff classification ruling."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "bur-medick",
      "canonical_entity_ids": [
        "bur-medick"
      ],
      "common_name": "Bur medick",
      "botanical_name": "Medicago polymorpha",
      "biological_species_key": "Medicago polymorpha",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 4,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "bur-medick": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092980"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "PT"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2022,
      "latest_year": 2024,
      "latest_trade_period": null,
      "comparable_history_length": 1,
      "comparable_series": [
        {
          "id": "series-7a2a58260cb9dcdcdeef",
          "country": "PT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_MULTIPLICATION_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-7dcfc0e51093563feb44",
          "country": "PT",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS",
          "scope": "",
          "history_length": 1
        }
      ],
      "coverage_grade": "LIMITED",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-079ed23ec7c3ae175031",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-15d3b4a1ed023aae6cc4",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-adc8a3ea1974895b2c5d",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-b89406c08e7f962ffa3e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "bur-medick",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092980"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092980"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092980",
              "description": "Seeds of forage plants, for sowing (excl. cereals and fodder beet seed \"Beta vulgaris var. alba\", sugar beet seed, lucerne seed, clover \"Trifolium spp.\" seed, fesque seed, Kentucky blue grass \"Poa pratensis L.\" seed, ryegrass \"Lolium multiflorum lam., Lolium perenne L.\" seed, Timothy grass seed, vetch seed, seeds of the genus Poa palustris L and Poa trivialis L., cocksfoot grass \"Dactylis glomerata L.\" seed, bent grass \"Agrostis\" seed and lupine seed)",
              "worksheet_row": 1500
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Residual forage-plant heading supported by original official forage seed classification; product use must be confirmed. Not a species-specific tariff classification ruling."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "alfalfa",
      "canonical_entity_ids": [
        "alfalfa"
      ],
      "common_name": "Alfalfa / lucerne",
      "botanical_name": "Medicago sativa",
      "biological_species_key": "Medicago sativa",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "FORAGE",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 29,
      "new_official_observations": 0,
      "trade_evidence": true,
      "trade_granularity": "SPECIES_SPECIFIC",
      "cn_status": "CONFIRMED",
      "entity_cn_statuses": {
        "alfalfa": "CONFIRMED"
      },
      "cn_codes": [
        "12092100"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "ES",
        "LT",
        "LV",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": "2026-06",
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "series-0504a1c18f2f2f5b36df",
          "country": "LV",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-34e4493a18580c4467b8",
          "country": "ES",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
          "scope": "",
          "history_length": 3
        },
        {
          "id": "series-42994bd001037adfd4af",
          "country": "LV",
          "metric": "SEED_PRODUCTION_AREA",
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        },
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        },
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        },
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      ],
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        "ES",
        "LV"
      ],
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          "metric": "SEED_PRODUCTION_AREA",
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        {
          "id": "series-5cd963e6b170a13f366b",
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          "unit": "ha",
          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
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          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2022-2023.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2022-2023.pdf"
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
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          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
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          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
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          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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      "identity_provenance": [
        {
          "id": "defra",
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          "scope": "Use examples; broader labels not automatically resolved to a species"
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      "trade_provenance": [
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
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          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
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          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
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          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      "trade_provenance": [
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          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2022-2023.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2022-2023.pdf"
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        {
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          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
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          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
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          "terminology": "Quantidade certificada",
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
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          "organisation": "DGAV",
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          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
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        {
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          "organisation": "MAPA",
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
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        {
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
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      ],
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    },
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      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
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      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
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      "sowing_non_sowing_separated": true,
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        "SK"
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      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
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      "latest_year": 2025,
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          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12079110"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [
              "12079190"
            ]
          },
          "official_descriptions": [
            {
              "cn8": "12079110",
              "description": "Poppy seeds for sowing",
              "worksheet_row": 1480
            },
            {
              "cn8": "12079190",
              "description": "Poppy seeds, whether or not broken (excl. for sowing)",
              "worksheet_row": 1481
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "parsley",
      "canonical_entity_ids": [
        "parsley"
      ],
      "common_name": "Parsley",
      "botanical_name": "Petroselinum crispum",
      "biological_species_key": "Petroselinum crispum",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "VEGETABLE"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": false,
      "production_observation_count": 5,
      "new_official_observations": 5,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "parsley": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "FR"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "SCV1-series-06",
          "country": "FR",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "PRESENTED_MULTIPLICATION_AREA",
          "scope": "NATIONAL: France; vegetable seed; presented area, not approved/certified area",
          "history_length": 5
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "semae-soc-2025",
          "organisation": "SEMAE / SOCFrance",
          "title": "Intégrale des données statistiques 2024/2025, revised 03/03/2026; table 9-01, PDF p.75",
          "url": "https://assets.agencezebra.net/SEMAE/integrale-24-25/SEMAE_INTEGRALE_24-25.pdf#page=75",
          "accessed": "2026-10-03",
          "reporting_period": "Harvest 2021–2025",
          "terminology": "Surfaces présentées en production de semences potagères; semences standard"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "parsley",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NEW_OFFICIAL_EVIDENCE",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "phacelia",
      "canonical_entity_ids": [
        "phacelia"
      ],
      "common_name": "Phacelia",
      "botanical_name": "Phacelia tanacetifolia",
      "biological_species_key": "Phacelia tanacetifolia",
      "seedtrade_category": "herbs-specialty",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 19,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "REVIEW_REQUIRED",
      "entity_cn_statuses": {
        "phacelia": "REVIEW_REQUIRED"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "LV",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "series-20cb79d7a102d02a36d7",
          "country": "LV",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "INSPECTED_SEED_FIELD",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-212ac460b6955c26ff41",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-40ea6dc988fb8f0c6d51",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-9647ac693f2fd95f887e",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Svazenka - California bluebell",
          "history_length": 3
        },
        {
          "id": "series-98fa64ec672b4931bede",
          "country": "SK",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-c6693dc8d1a56e3fa3b0",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-f650a1e56957320aba4f",
          "country": "LV",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "scope": "",
          "history_length": 5
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-021dc3f275c3d396b714",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2024",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-26351f7c0823227eed3a",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2022",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-2f3f8e9ef6557f29fc23",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2024",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-334d9f7c060b34e21534",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
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          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-465d7a01760c348cd572",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2021",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-72dc3f31477022e01cec",
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          "organisation": "VAAD",
          "reporting_period": "2023",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-8da62e8a44f240105822",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2025",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-9f3256bd5340d597a682",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2021",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-b72eb5dc5ac2e220402a",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2024",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
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        {
          "source_id": "src-bb5f1b3e7aa02f933775",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-c6fde76c5c278edc1763",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2025",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-ceefec903425a4e5924f",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2024",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
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        {
          "source_id": "src-d2acc2e7fafc88871acf",
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          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        },
        {
          "source_id": "src-d6eb0e90b426d28262b4",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
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        {
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          "organisation": "VAAD",
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          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
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          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
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          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
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          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
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          "mapping_status": "CN_MAPPING_REVIEW_REQUIRED",
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          "cn4": [
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          ],
          "cn6": [
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          ],
          "cn8": [],
          "hs6": [
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          ],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific CN8"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": null,
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Recovered 120999 parent is insufficient to adjudicate forage/other-use classification; no forced CN8."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "canary-grass",
      "canonical_entity_ids": [
        "canary-grass"
      ],
      "common_name": "Canary grass",
      "botanical_name": "Phalaris canariensis",
      "biological_species_key": "Phalaris canariensis",
      "seedtrade_category": "cereals-pseudocereals",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 3,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "PARTIAL",
      "entity_cn_statuses": {
        "canary-grass": "PARTIAL"
      },
      "cn_codes": [
        "10083000"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "CZ"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2023,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-eaef6f24a7e07b2c461c",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Lesknice kanárská - Canary grass",
          "history_length": 3
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "canary-grass",
          "mapping_status": "CN_MAPPING_PARTIAL",
          "nomenclature_year": 2026,
          "cn4": [
            "1008"
          ],
          "cn6": [
            "100830"
          ],
          "cn8": [
            "10083000"
          ],
          "hs6": [
            "100830"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific code"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "10083000",
              "description": "Canary seed",
              "worksheet_row": 1380
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Named product heading does not distinguish sowing from other uses; mixed-use codes never appear as verified sowing or non-sowing codes."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "runner-bean",
      "canonical_entity_ids": [
        "runner-bean"
      ],
      "common_name": "Runner bean",
      "botanical_name": "Phaseolus coccineus",
      "biological_species_key": "Phaseolus coccineus",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "runner-bean": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "runner-bean",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "common-bean",
      "canonical_entity_ids": [
        "common-bean"
      ],
      "common_name": "Common bean",
      "botanical_name": "Phaseolus vulgaris",
      "biological_species_key": "Phaseolus vulgaris",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": false,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 5,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "CONFIRMED",
      "entity_cn_statuses": {
        "common-bean": "CONFIRMED"
      },
      "cn_codes": [
        "07133310"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "ES"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-aa7631c4800853340964",
          "country": "ES",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
          "scope": "",
          "history_length": 3
        },
        {
          "id": "series-ca74cafb166beea5ac1f",
          "country": "ES",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
          "scope": "",
          "history_length": 1
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-36ac75619f56a0bf5043",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2022/2023",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2022-2023.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2022-2023.pdf"
        },
        {
          "source_id": "src-7ef02eff379ba7af3099",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2023/2024",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
        },
        {
          "source_id": "src-df8f948435955815df7b",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2020/2021",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
        },
        {
          "source_id": "src-f499fa53a964290a5bab",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "common-bean",
          "mapping_status": "CN_MAPPING_CONFIRMED",
          "nomenclature_year": 2026,
          "cn4": [
            "0713"
          ],
          "cn6": [
            "071333"
          ],
          "cn8": [
            "07133310"
          ],
          "hs6": [
            "071333"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "07133310"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [
              "07133390"
            ]
          },
          "official_descriptions": [
            {
              "cn8": "07133310",
              "description": "Dried, shelled kidney beans \"Phaseolus vulgaris\", for sowing",
              "worksheet_row": 1125
            },
            {
              "cn8": "07133390",
              "description": "Dried, shelled kidney beans \"Phaseolus vulgaris\", whether or not skinned or split (excl. for sowing)",
              "worksheet_row": 1126
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "timothy",
      "canonical_entity_ids": [
        "timothy"
      ],
      "common_name": "Timothy",
      "botanical_name": "Phleum pratense",
      "biological_species_key": "Phleum pratense",
      "seedtrade_category": "grass-seeds",
      "use_tags": [
        "FORAGE",
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 20,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "timothy": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092945"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "LT",
        "LV",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "series-49fafd623161b3fa1490",
          "country": "LT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-6f77719b2fcf3540ce7d",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Bojínek luční - Timothy",
          "history_length": 3
        },
        {
          "id": "series-73f3505fc18afd24df09",
          "country": "SK",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-862e38c7c74f8426e9fd",
          "country": "LV",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-8bbd735d2ff6e4a42a28",
          "country": "LV",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "INSPECTED_SEED_FIELD",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-c7ae974154eb433fba82",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-db26a876bebe42e4d2b4",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-debc8326abd009849d95",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "",
          "history_length": 2
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-021dc3f275c3d396b714",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2024",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-26351f7c0823227eed3a",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2022",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-2f3f8e9ef6557f29fc23",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2024",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "organisation": "BAES",
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          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
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          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
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          "title": "VAT seed certification statistics",
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      "identity_provenance": [
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          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "v041",
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      "trade_provenance": [
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            "codes": [],
            "recovered_note": null,
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      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
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      "production_evidence_before": true,
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      "trade_evidence": true,
      "trade_granularity": "SPECIES_SPECIFIC",
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      "sowing_non_sowing_separated": true,
      "countries_covered": [
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        "CZ",
        "ES",
        "LV",
        "PT",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": "2026-06",
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        {
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        {
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        {
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
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      "latest_year": 2023,
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
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          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
          "source_id": "src-5dfa26e10570608eea87",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
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          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
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          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-9577de5eb4146bd4d670",
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          "organisation": "DGAV",
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          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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      ],
      "identity_provenance": [
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          "id": "defra",
          "organisation": "Defra",
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          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "lfl",
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          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
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          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      ],
      "trade_provenance": [
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          "species_values_allocated": false,
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      ],
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            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
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          ],
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    },
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      "canonical_entity_ids": [
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      "common_name": "Wood meadowgrass",
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      "biological_species_key": "Poa nemoralis",
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      "catch_crop": false,
      "production_evidence": true,
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      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
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      "entity_cn_statuses": {
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      "cn_codes": [
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      "sowing_non_sowing_separated": true,
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      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
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      "comparable_history_length": 3,
      "comparable_series": [
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          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Lipnice hajní - Wood meadowgrass",
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        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
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          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
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        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
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          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
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        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
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      ],
      "identity_provenance": [
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          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
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      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
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          "history_length": 2
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          "organisation": "VAAD",
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
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          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "organisation": "VAAD",
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
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          "accessed": "2026-10-02",
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          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
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          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
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          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
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          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
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    },
    {
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      "any_production_metric": true,
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      "new_official_observations": 5,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "cultivated-radish": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "FR"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "SCV1-series-08",
          "country": "FR",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "PRESENTED_MULTIPLICATION_AREA",
          "scope": "NATIONAL: France; vegetable seed; presented area, not approved/certified area",
          "history_length": 5
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "semae-soc-2025",
          "organisation": "SEMAE / SOCFrance",
          "title": "Intégrale des données statistiques 2024/2025, revised 03/03/2026; table 9-01, PDF p.75",
          "url": "https://assets.agencezebra.net/SEMAE/integrale-24-25/SEMAE_INTEGRALE_24-25.pdf#page=75",
          "accessed": "2026-10-03",
          "reporting_period": "Harvest 2021–2025",
          "terminology": "Surfaces présentées en production de semences potagères; semences standard"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        },
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "cultivated-radish",
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          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NEW_OFFICIAL_EVIDENCE",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
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        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
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      "canonical_entity_ids": [
        "rhubarb"
      ],
      "common_name": "Rhubarb",
      "botanical_name": "Rheum rhabarbarum",
      "biological_species_key": "Rheum rhabarbarum",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "rhubarb": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
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          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
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          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
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        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
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      ],
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      "biological_species_key": "Scorzonera hispanica",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "black-salsify": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
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          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
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          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
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          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
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      "canonical_entity_ids": [
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      ],
      "common_name": "Rye",
      "botanical_name": "Secale cereale",
      "biological_species_key": "Secale cereale",
      "seedtrade_category": "cereals-pseudocereals",
      "use_tags": [
        "COVER_CROP",
        "SEED_PRODUCTION"
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      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 33,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "CONFIRMED",
      "entity_cn_statuses": {
        "rye": "CONFIRMED"
      },
      "cn_codes": [
        "10021000"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "ES",
        "LV"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
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      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
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          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Žito ozimé - Rye winter type",
          "history_length": 3
        },
        {
          "id": "series-1243779773829c2c05b5",
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          "unit": "ha",
          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "scope": "vasaras",
          "history_length": 1
        },
        {
          "id": "series-266d4573d517d22099c9",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
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          "history_length": 1
        },
        {
          "id": "series-635af52eecf27d404e5a",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
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          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
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        },
        {
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          "definition": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
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          "history_length": 1
        },
        {
          "id": "series-6e5dd2cfe4ff8fe41329",
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        {
          "id": "series-722e61db1d9f92166a3e",
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          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
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          "history_length": 1
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        {
          "id": "series-97eb684505c15b781bea",
          "country": "LV",
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        {
          "id": "series-a8d2c6b5948374bd1c7f",
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          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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        {
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        {
          "id": "series-e80675b1a6a49c530589",
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
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      "public_safe": true,
      "source_provenance": [
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          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "title": "Sagatavotā sertificētā sēkla — labības",
          "url": "https://data.gov.lv/dati/dataset/dbd2b2ed-148e-426e-abbf-97f1d2fd9de1/resource/ae839ed9-5d09-4f29-be5e-4f8992d8dbbf/download/dati_sert_sekla_labibas.xlsx"
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          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2022-2023.pdf"
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          "title": "Sagatavotā sertificētā sēkla — labības",
          "url": "https://data.gov.lv/dati/dataset/dbd2b2ed-148e-426e-abbf-97f1d2fd9de1/resource/ae839ed9-5d09-4f29-be5e-4f8992d8dbbf/download/dati_sert_sekla_labibas.xlsx"
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "terminology": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
          "title": "Sagatavotā sertificētā sēkla — labības",
          "url": "https://data.gov.lv/dati/dataset/dbd2b2ed-148e-426e-abbf-97f1d2fd9de1/resource/ae839ed9-5d09-4f29-be5e-4f8992d8dbbf/download/dati_sert_sekla_labibas.xlsx"
        },
        {
          "source_id": "src-72dc3f31477022e01cec",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2023",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-7ef02eff379ba7af3099",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2023/2024",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-8da62e8a44f240105822",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2025",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-9f3256bd5340d597a682",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2021",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-c6fde76c5c278edc1763",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2025",
          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-c762413f0dd2391e31fb",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2024/2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Winterungen gesamt ohnen Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Winterungen_gesamt/Winterungen_gesamt_ohne_Sorte_2025_BAES.pdf"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        },
        {
          "source_id": "src-df8f948435955815df7b",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2020/2021",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
        },
        {
          "source_id": "src-edf42f77372345a603a0",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2024/2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Winterungen gesamt ohnen Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Winterungen_gesamt/Winterungen_gesamt_ohne_Sorte_2025_BAES.pdf"
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        {
          "source_id": "src-f084bf97f759f682c270",
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          "organisation": "VAAD",
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          "terminology": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
          "title": "Sagatavotā sertificētā sēkla — labības",
          "url": "https://data.gov.lv/dati/dataset/dbd2b2ed-148e-426e-abbf-97f1d2fd9de1/resource/ae839ed9-5d09-4f29-be5e-4f8992d8dbbf/download/dati_sert_sekla_labibas.xlsx"
        },
        {
          "source_id": "src-f499fa53a964290a5bab",
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          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        },
        {
          "source_id": "src-f8d90c5b8986e8058c21",
          "accessed": "2026-10-02",
          "organisation": "VAAD",
          "reporting_period": "2023",
          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        }
      ],
      "identity_provenance": [
        {
          "id": "defra",
          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "rye",
          "mapping_status": "CN_MAPPING_CONFIRMED",
          "nomenclature_year": 2026,
          "cn4": [
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          ],
          "cn6": [
            "100210"
          ],
          "cn8": [
            "10021000"
          ],
          "hs6": [
            "100210"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "10021000"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [
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          },
          "official_descriptions": [
            {
              "cn8": "10021000",
              "description": "Rye seed for sowing",
              "worksheet_row": 1326
            },
            {
              "cn8": "10029000",
              "description": "Rye (excl. seed for sowing)",
              "worksheet_row": 1327
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
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      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "foxtail-millet",
      "canonical_entity_ids": [
        "foxtail-millet"
      ],
      "common_name": "Foxtail millet",
      "botanical_name": "Setaria italica",
      "biological_species_key": "Setaria italica",
      "seedtrade_category": "cereals-pseudocereals",
      "use_tags": [
        "SEED_PRODUCTION"
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      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 3,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "foxtail-millet": "GROUP_LEVEL"
      },
      "cn_codes": [
        "10082100"
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      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "CZ"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2023,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Bér italský - Foxtail millet",
          "history_length": 3
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
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          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
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        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
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        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
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      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
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      ],
      "cn_provenance": [
        {
          "canonical_species_id": "foxtail-millet",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
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          "hs6": [
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          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
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            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
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            },
            {
              "cn8": "10082900",
              "description": "Millet (excl. grain sorghum, and seed for sowing)",
              "worksheet_row": 1379
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          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
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          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
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      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "white-mustard",
      "canonical_entity_ids": [
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      ],
      "common_name": "White mustard",
      "botanical_name": "Sinapis alba",
      "biological_species_key": "Sinapis alba",
      "seedtrade_category": "brassica-seeds",
      "use_tags": [
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        "COVER_CROP"
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      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": false,
      "production_observation_count": 6,
      "new_official_observations": 6,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "white-mustard": "GROUP_LEVEL"
      },
      "cn_codes": [
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      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "DE",
        "PL"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2022,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 4,
      "comparable_series": [
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          "id": "SCV1-series-04",
          "country": "DE",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "REGIONAL: Brandenburg (DE-BB); not Germany total",
          "history_length": 4
        },
        {
          "id": "SCV1-series-15",
          "country": "PL",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "REGIONAL: Mazowieckie (PL-14); not Poland total; Objęto oceną",
          "history_length": 1
        },
        {
          "id": "SCV1-series-16",
          "country": "PL",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "REGIONAL: Mazowieckie (PL-14); not Poland total; Zakwalifikowano",
          "history_length": 1
        }
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      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "lelf-brandenburg",
          "organisation": "LELF Brandenburg",
          "title": "Saatenanerkennung: Tabellen V.25.3–V.25.5; Brandenburg, not Germany total",
          "url": "https://lelf.brandenburg.de/lelf/de/landwirtschaft/acker-und-pflanzenbau/saatenanerkennung/",
          "accessed": "2026-10-03",
          "reporting_period": "2021–2025 or 2022–2025",
          "terminology": "Angemeldete Vermehrungsfläche"
        },
        {
          "source_id": "wiorin-mazowieckie-2025",
          "organisation": "WIORiN Warszawa",
          "title": "2025 activity report; table 3.2, p.80; Mazowieckie, not Poland total",
          "url": "https://www.gov.pl/attachment/dcfab9c3-1d53-4c83-a3ea-d552df76587d#page=80",
          "accessed": "2026-10-03",
          "reporting_period": "2025",
          "terminology": "Objęto oceną / Zakwalifikowano: inspected / field approved, separate stages"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "GROUP_LEVEL",
          "market_slugs": [
            "mustard-seed-for-sowing"
          ],
          "cn8": [
            "12075010"
          ],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "white-mustard",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1207"
          ],
          "cn6": [
            "120750"
          ],
          "cn8": [
            "12075010"
          ],
          "hs6": [
            "120750"
          ],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12075010"
            ],
            "limitation": "GROUP_SCOPE_ONLY"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": "Mustard for oil/food may share heading",
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [
            {
              "cn8": "12075010",
              "description": "Mustard seeds for sowing",
              "worksheet_row": 1476
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Identity membership only; broad customs category never allocated to this species"
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "NEW_OFFICIAL_EVIDENCE",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "Regional observations are not national totals and may overlap existing national reporting; never add them together.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "tomato",
      "canonical_entity_ids": [
        "tomato"
      ],
      "common_name": "Tomato",
      "botanical_name": "Solanum lycopersicum",
      "biological_species_key": "Solanum lycopersicum",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "tomato": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "tomato",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "SOURCE_CONFIRMED_NOT_ACTIVATED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated.",
        "SEMAE sector-only source attribution; SOCFrance official lineage not explicitly stated for this protected-cultivation table. Retained separately pending authority/stage confirmation. Not certified area."
      ]
    },
    {
      "canonical_species_id": "aubergine",
      "canonical_entity_ids": [
        "aubergine"
      ],
      "common_name": "Aubergine",
      "botanical_name": "Solanum melongena",
      "biological_species_key": "Solanum melongena",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "aubergine": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "aubergine",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "sorghum",
      "canonical_entity_ids": [
        "sorghum"
      ],
      "common_name": "Sorghum",
      "botanical_name": "Sorghum bicolor",
      "biological_species_key": "Sorghum bicolor",
      "seedtrade_category": "cereals-pseudocereals",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 12,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "REVIEW_REQUIRED",
      "entity_cn_statuses": {
        "sorghum": "REVIEW_REQUIRED"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "CZ",
        "ES",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-3ef46c68ab55594bacdf",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-47c10d354c27e01cb314",
          "country": "SK",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-aca2ddf95988ca2b13ba",
          "country": "ES",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
          "scope": "",
          "history_length": 3
        },
        {
          "id": "series-b93e8ecc36f0bf72e364",
          "country": "ES",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-fb594c27ddb4f5423f7e",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Čirok obecný - Sorghum",
          "history_length": 3
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-36ac75619f56a0bf5043",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2022/2023",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2022-2023.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2022-2023.pdf"
        },
        {
          "source_id": "src-7ef02eff379ba7af3099",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2023/2024",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
        },
        {
          "source_id": "src-b72eb5dc5ac2e220402a",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2024",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-bb5f1b3e7aa02f933775",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-ceefec903425a4e5924f",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2024",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        },
        {
          "source_id": "src-d6eb0e90b426d28262b4",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-df8f948435955815df7b",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2020/2021",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
        },
        {
          "source_id": "src-f499fa53a964290a5bab",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "sorghum",
          "mapping_status": "CN_MAPPING_REVIEW_REQUIRED",
          "nomenclature_year": 2026,
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific code"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Taxonomy alone does not establish this hybrid/crop-use/product-form customs classification; no residual code forced."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "spinach",
      "canonical_entity_ids": [
        "spinach"
      ],
      "common_name": "Spinach",
      "botanical_name": "Spinacia oleracea",
      "biological_species_key": "Spinacia oleracea",
      "seedtrade_category": "vegetable-seeds",
      "use_tags": [
        "VEGETABLE"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": false,
      "production_observation_count": 5,
      "new_official_observations": 5,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "spinach": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "FR"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "SCV1-series-07",
          "country": "FR",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "PRESENTED_MULTIPLICATION_AREA",
          "scope": "NATIONAL: France; vegetable seed; presented area, not approved/certified area",
          "history_length": 5
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "semae-soc-2025",
          "organisation": "SEMAE / SOCFrance",
          "title": "Intégrale des données statistiques 2024/2025, revised 03/03/2026; table 9-01, PDF p.75",
          "url": "https://assets.agencezebra.net/SEMAE/integrale-24-25/SEMAE_INTEGRALE_24-25.pdf#page=75",
          "accessed": "2026-10-03",
          "reporting_period": "Harvest 2021–2025",
          "terminology": "Surfaces présentées en production de semences potagères; semences standard"
        }
      ],
      "identity_provenance": [
        {
          "id": "vegetables",
          "organisation": "European Union / EUR-Lex",
          "url": "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02002L0055-20220901",
          "retrieved_at": "2026-10-03",
          "document": "2002/55/EC Article 2(1)(b), consolidation 2022-09-01",
          "scope": "Seed-market identities; cultivar groups not separate species. Current 2024-12-24 consolidation identified but anti-bot blocked; no claim of current legal eligibility"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "spinach",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
            "No species-specific CN mapping invented"
          ]
        }
      ],
      "research_status": "NEW_OFFICIAL_EVIDENCE",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "berseem-clover",
      "canonical_entity_ids": [
        "berseem-clover"
      ],
      "common_name": "Berseem / Egyptian clover",
      "botanical_name": "Trifolium alexandrinum",
      "biological_species_key": "Trifolium alexandrinum",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 21,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "berseem-clover": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092280"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "CZ",
        "ES",
        "PT",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
        {
          "id": "series-45aa2e2bb20101b082ce",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-56fcd751cf5001158318",
          "country": "PT",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-858ac8f34e8576b98f49",
          "country": "SK",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-9bd0a86f5b471817e1a8",
          "country": "PT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_MULTIPLICATION_FIELD",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-badb5d4b4c3323bb09b9",
          "country": "ES",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-c33c6beab1bb9b44540a",
          "country": "ES",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-d5c359bd2bdbd7453b93",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Jetel alexandrijský - Berseem clover",
          "history_length": 5
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-079ed23ec7c3ae175031",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-104a6217542be8c0faad",
          "accessed": "2026-10-03",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2022",
          "terminology": "Propagating areas entered for certification; Celkem Total (ha)",
          "title": "Přehled přihlášených množitelských ploch 2022, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-q226155---H9dJUxG1/prehled-prihlasenych-mnozitelskych-ploch?_linka=a441775"
        },
        {
          "source_id": "src-13c0c1d38d8c7875de2e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2022/2023",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-15d3b4a1ed023aae6cc4",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-441c358b33cfc8b7cf58",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2024/2025",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-580727053849c6b59221",
          "accessed": "2026-10-03",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2021",
          "terminology": "Propagating areas entered for certification; Celkem Total (ha)",
          "title": "Přehled přihlášených množitelských ploch 2021, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-q226269---U3ilaUQm/prehled-prihlasenych-mnozitelskych-ploch?_linka=a441813"
        },
        {
          "source_id": "src-5d633a5cfa1100769ba7",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2024/2025",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-5dfa26e10570608eea87",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-7ef02eff379ba7af3099",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2023/2024",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-944663f5073599bb5480",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-9577de5eb4146bd4d670",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2022/2023",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-adc8a3ea1974895b2c5d",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-b72eb5dc5ac2e220402a",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2024",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-b89406c08e7f962ffa3e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-bb5f1b3e7aa02f933775",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-ceefec903425a4e5924f",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2024",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        },
        {
          "source_id": "src-d6eb0e90b426d28262b4",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-f499fa53a964290a5bab",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "berseem-clover",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120922"
          ],
          "cn8": [
            "12092280"
          ],
          "hs6": [
            "120922"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092280"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092280",
              "description": "Clover \"Trifolium spp.\" seed for sowing (excl. red clover [Trifolium pratense L.])",
              "worksheet_row": 1490
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "glandular-clover",
      "canonical_entity_ids": [
        "glandular-clover"
      ],
      "common_name": "Glandular clover",
      "botanical_name": "Trifolium glanduliferum",
      "biological_species_key": "Trifolium glanduliferum",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": false,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 8,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "glandular-clover": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092280"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "PT"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-53509f5db2a99ce4f464",
          "country": "PT",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS",
          "scope": "",
          "history_length": 3
        },
        {
          "id": "series-9f73014ab55acb62de3f",
          "country": "PT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_MULTIPLICATION_FIELD",
          "scope": "",
          "history_length": 3
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-079ed23ec7c3ae175031",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-13c0c1d38d8c7875de2e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2022/2023",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-15d3b4a1ed023aae6cc4",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2021/2022",
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          "title": "Dados Nacionais – DGAV",
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          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
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        {
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      "identity_provenance": [
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-b89406c08e7f962ffa3e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "balansa-clover",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
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            "1209"
          ],
          "cn6": [
            "120922"
          ],
          "cn8": [
            "12092280"
          ],
          "hs6": [
            "120922"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092280"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092280",
              "description": "Clover \"Trifolium spp.\" seed for sowing (excl. red clover [Trifolium pratense L.])",
              "worksheet_row": 1490
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "red-clover",
      "canonical_entity_ids": [
        "red-clover"
      ],
      "common_name": "Red clover",
      "botanical_name": "Trifolium pratense",
      "biological_species_key": "Trifolium pratense",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "COVER_CROP",
        "FORAGE",
        "SEED_PRODUCTION"
      ],
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      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 33,
      "new_official_observations": 0,
      "trade_evidence": true,
      "trade_granularity": "SPECIES_SPECIFIC",
      "cn_status": "CONFIRMED",
      "entity_cn_statuses": {
        "red-clover": "CONFIRMED"
      },
      "cn_codes": [
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      ],
      "sowing_non_sowing_separated": true,
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        "AT",
        "CZ",
        "ES",
        "LT",
        "LV",
        "SI",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": "2026-06",
      "comparable_history_length": 5,
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          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 5
        },
        {
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          "unit": "ha",
          "definition": "APPROVED_CERTIFICATION_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-3585e532aed97d62f699",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
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          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
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        },
        {
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          "unit": "kg",
          "definition": "OFFICIALLY_CONFIRMED_SEED_HARVEST",
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        },
        {
          "id": "series-4b8e3c1b13efa5547c40",
          "country": "AT",
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          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        },
        {
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          "definition": "DECLARED_FOR_CERTIFICATION",
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        },
        {
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        },
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Jetel luční - Red clover",
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        },
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        },
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          "definition": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
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        },
        {
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        },
        {
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        },
        {
          "id": "series-c60b4530a2861df2a7f1",
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        },
        {
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        },
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      ],
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      "sowing_non_sowing_separated": true,
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        "PT",
        "SK"
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          "definition": "CERTIFIED_LOTS",
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        },
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          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
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        },
        {
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        },
        {
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      "coverage_grade": "MODERATE",
      "public_safe": true,
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          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2022-2023.pdf"
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      ],
      "identity_provenance": [
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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      ],
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          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
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        },
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      ],
      "trade_provenance": [
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      ],
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      ],
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      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
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    },
    {
      "canonical_species_id": "subterranean-clover",
      "canonical_entity_ids": [
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      ],
      "common_name": "Subterranean clover",
      "botanical_name": "Trifolium subterraneum",
      "biological_species_key": "Trifolium subterraneum",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP"
      ],
      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "subterranean-clover": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
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        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
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          "species_values_allocated": false,
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      ],
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          },
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    },
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      "canonical_entity_ids": [
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      ],
      "common_name": "Arrowleaf clover",
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      "biological_species_key": "Trifolium vesiculosum",
      "seedtrade_category": "forage-legumes",
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        "COVER_CROP",
        "SEED_PRODUCTION"
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      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 10,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
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      "entity_cn_statuses": {
        "arrowleaf-clover": "GROUP_LEVEL"
      },
      "cn_codes": [
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      "sowing_non_sowing_separated": true,
      "countries_covered": [
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      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 5,
      "comparable_series": [
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          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_MULTIPLICATION_FIELD",
          "scope": "",
          "history_length": 5
        },
        {
          "id": "series-61fa1efd7f8ace4107fc",
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          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS",
          "scope": "",
          "history_length": 5
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-079ed23ec7c3ae175031",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
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          "terminology": "Área aprovada",
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
          "source_id": "src-5dfa26e10570608eea87",
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          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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      "identity_provenance": [
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          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      ],
      "trade_provenance": [
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          "status": "NOT_AVAILABLE",
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          ],
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    },
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      "catch_crop": true,
      "production_evidence": false,
      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
      "any_production_metric": false,
      "production_evidence_before": false,
      "production_observation_count": 0,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "NOT_AVAILABLE",
      "entity_cn_statuses": {
        "fenugreek": "NOT_AVAILABLE"
      },
      "cn_codes": [],
      "sowing_non_sowing_separated": true,
      "countries_covered": [],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": null,
      "latest_year": null,
      "latest_trade_period": null,
      "comparable_history_length": 0,
      "comparable_series": [],
      "coverage_grade": "DATA_GAP",
      "public_safe": true,
      "source_provenance": [],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
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          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
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          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
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      ],
      "cn_provenance": [
        {
          "canonical_species_id": "fenugreek",
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          "cn6": [],
          "cn8": [],
          "hs6": [],
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": []
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "source_url": null,
          "notes": [
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          ]
        }
      ],
      "research_status": "NO_USABLE_NUMERIC_TABLE_IN_BOUNDED_REVIEW",
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        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "golden-oatgrass",
      "canonical_entity_ids": [
        "golden-oatgrass"
      ],
      "common_name": "Golden oatgrass",
      "botanical_name": "Trisetum flavescens",
      "biological_species_key": "Trisetum flavescens",
      "seedtrade_category": "grass-seeds",
      "use_tags": [
        "SEED_PRODUCTION"
      ],
      "catch_crop": false,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": false,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 5,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "golden-oatgrass": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092980"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2023,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 3,
      "comparable_series": [
        {
          "id": "series-2b2e7d7259debb1c2955",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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          "history_length": 1
        },
        {
          "id": "series-6a86993dbdd834611eff",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-8ee1051be638e0eaaf47",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Trojštět žlutavý - Golden oatgrass",
          "history_length": 3
        }
      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
        {
          "source_id": "src-29643c2f469818bc849a",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2023",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2023, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a27404---i-m4miZL/prehled-prihlasenych-ploch-v-roce-2023-1.-a-2.-cast?_linka=a523324"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
        },
        {
          "source_id": "src-d2acc2e7fafc88871acf",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "golden-oatgrass",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092980"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092980"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092980",
              "description": "Seeds of forage plants, for sowing (excl. cereals and fodder beet seed \"Beta vulgaris var. alba\", sugar beet seed, lucerne seed, clover \"Trifolium spp.\" seed, fesque seed, Kentucky blue grass \"Poa pratensis L.\" seed, ryegrass \"Lolium multiflorum lam., Lolium perenne L.\" seed, Timothy grass seed, vetch seed, seeds of the genus Poa palustris L and Poa trivialis L., cocksfoot grass \"Dactylis glomerata L.\" seed, bent grass \"Agrostis\" seed and lupine seed)",
              "worksheet_row": 1500
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [
            "Residual forage-plant heading supported by original official forage seed classification; product use must be confirmed. Not a species-specific tariff classification ruling."
          ],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
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      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
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      "canonical_entity_ids": [
        "common-wheat",
        "spelt"
      ],
      "common_name": "Common wheat; seasons retained",
      "botanical_name": "Triticum aestivum",
      "biological_species_key": "Triticum aestivum",
      "seedtrade_category": "cereals-pseudocereals",
      "use_tags": [
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      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 85,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "PARTIAL",
      "entity_cn_statuses": {
        "common-wheat": "GROUP_LEVEL",
        "spelt": "CONFIRMED"
      },
      "cn_codes": [
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        "10019120"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
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        "CZ",
        "DE",
        "ES",
        "FR",
        "LV",
        "PT",
        "SI",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
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      "comparable_history_length": 5,
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        },
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
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        },
        {
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          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Pšenice špalda - Spelt wheat",
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        },
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        },
        {
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          "definition": "OFFICIALLY_CONFIRMED_SEED_HARVEST",
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        },
        {
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        },
        {
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          "metric": "SEED_PRODUCTION_AREA",
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        },
        {
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          "definition": "APPROVED_CERTIFICATION_FIELD",
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        },
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          "unit": "ha",
          "definition": "APPROVED_FIELD",
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          "history_length": 2
        },
        {
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          "country": "SI",
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        },
        {
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        },
        {
          "id": "series-3c9894b879da485b3c8a",
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        },
        {
          "id": "series-3da0d6c2e8d4979b8afa",
          "country": "LV",
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        },
        {
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        },
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        },
        {
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        },
        {
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        },
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        },
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        },
        {
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        },
        {
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          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
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        },
        {
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        },
        {
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        {
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        },
        {
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        },
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        },
        {
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        },
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        {
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        },
        {
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        },
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        },
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        },
        {
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      ],
      "coverage_grade": "MODERATE",
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      "source_provenance": [
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        },
        {
          "source_id": "src-d6eb0e90b426d28262b4",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-df8f948435955815df7b",
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          "organisation": "MAPA",
          "reporting_period": "2020/2021",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
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        {
          "source_id": "src-edf42f77372345a603a0",
          "accessed": "2026-10-02",
          "organisation": "BAES",
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          "terminology": "zertifizierte Fläche SUMME",
          "title": "Winterungen gesamt ohnen Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Winterungen_gesamt/Winterungen_gesamt_ohne_Sorte_2025_BAES.pdf"
        },
        {
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          "organisation": "VAAD",
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          "title": "Sagatavotā sertificētā sēkla — labības",
          "url": "https://data.gov.lv/dati/dataset/dbd2b2ed-148e-426e-abbf-97f1d2fd9de1/resource/ae839ed9-5d09-4f29-be5e-4f8992d8dbbf/download/dati_sert_sekla_labibas.xlsx"
        },
        {
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          "organisation": "MAPA",
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          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        },
        {
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          "accessed": "2026-10-02",
          "organisation": "VAAD",
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        }
      ],
      "identity_provenance": [
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          "id": "v041",
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          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
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          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      ],
      "trade_provenance": [
        {
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        },
        {
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          "cn8": [],
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          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
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          "cn8": [
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            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
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        },
        {
          "canonical_species_id": "spelt",
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          "hs6": [
            "100191"
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          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
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            "verified_cn8": [
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          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
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          "official_descriptions": [
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          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
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    },
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      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
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      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
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      "sowing_non_sowing_separated": true,
      "countries_covered": [
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        "CZ",
        "ES",
        "FR",
        "GR",
        "HU",
        "IT",
        "LV",
        "PT"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
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          "unit": "ha",
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        },
        {
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          "metric": "SEED_PRODUCTION_AREA",
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          "definition": "INSPECTED_SEED_FIELD",
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
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          "history_length": 1
        },
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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          "history_length": 2
        },
        {
          "id": "series-81193ca9b87cef82493f",
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          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
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        },
        {
          "id": "series-850ed7b395c9c2dee050",
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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        },
        {
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          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Pšenice tvrdá ozimá - Durum wheat winter type",
          "history_length": 3
        },
        {
          "id": "series-9c9d4966f8b4bc4aec1a",
          "country": "FR",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "ESCAA_SUMMARY_FIELD_AREA",
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          "history_length": 1
        },
        {
          "id": "series-a96cc39728259f7ac477",
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          "unit": "kg",
          "definition": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
          "scope": "ziemas",
          "history_length": 1
        },
        {
          "id": "series-abecf016ca24786ea5b7",
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          "metric": "CERTIFIED_QUANTITY",
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          "definition": "CERTIFIED_LOTS",
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        },
        {
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          "definition": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
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          "history_length": 2
        },
        {
          "id": "series-bc07c0702830d745e433",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
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          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
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        {
          "id": "series-d1f0bccc879c6e684c75",
          "country": "AT",
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        {
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Pšenice tvrdá jarní - Durum Wheat spring type",
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "organisation": "VAAD",
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2022-2023.pdf"
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          "terminology": "CERTIFIED_LOTS_BY_HARVEST_YEAR_ORIGIN_UNSPECIFIED",
          "title": "Sagatavotā sertificētā sēkla — labības",
          "url": "https://data.gov.lv/dati/dataset/dbd2b2ed-148e-426e-abbf-97f1d2fd9de1/resource/ae839ed9-5d09-4f29-be5e-4f8992d8dbbf/download/dati_sert_sekla_labibas.xlsx"
        },
        {
          "source_id": "src-5dfa26e10570608eea87",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-7ef02eff379ba7af3099",
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          "organisation": "MAPA",
          "reporting_period": "2023/2024",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
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          "organisation": "VAAD",
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          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
        },
        {
          "source_id": "src-944663f5073599bb5480",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2020/2021",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
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          "organisation": "DGAV",
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          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-95c0db30a11170d6e81c",
          "accessed": "2026-10-02",
          "organisation": "ESCAA",
          "reporting_period": "2025",
          "terminology": "field production area for seeds",
          "title": "Seed production in EU - 2025",
          "url": "https://www.escaa.org/index/action/page/id/7/title/seed-production-in-eu---2025"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
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          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
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        {
          "source_id": "src-967a6c0814038153fd63",
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          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
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        {
          "source_id": "src-9f3256bd5340d597a682",
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          "organisation": "VAAD",
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          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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        {
          "source_id": "src-adc8a3ea1974895b2c5d",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
          "source_id": "src-b89406c08e7f962ffa3e",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2023/2024",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
          "accessed": "2026-10-02",
          "organisation": "ÚKZÚZ",
          "reporting_period": "2025",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2025, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a81286---EOKIiika/prehled-prihlasenych-ploch-2025-1.-a-2.-cast?_linka=a679878"
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        {
          "source_id": "src-c6fde76c5c278edc1763",
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          "organisation": "VAAD",
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          "terminology": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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        {
          "source_id": "src-c762413f0dd2391e31fb",
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          "organisation": "BAES",
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          "terminology": "beantragte Fläche SUMME",
          "title": "Winterungen gesamt ohnen Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Winterungen_gesamt/Winterungen_gesamt_ohne_Sorte_2025_BAES.pdf"
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        {
          "source_id": "src-d2acc2e7fafc88871acf",
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          "organisation": "ÚKZÚZ",
          "reporting_period": "2024",
          "terminology": "APPLIED_FOR_FIELD_CERTIFICATION",
          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
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          "accessed": "2026-10-02",
          "organisation": "MAPA",
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          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
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          "title": "Winterungen gesamt ohnen Sorten 2025",
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        {
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          "title": "Sagatavotā sertificētā sēkla — labības",
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          "organisation": "MAPA",
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          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
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      ],
      "identity_provenance": [
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          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
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          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
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      "trade_provenance": [
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          "existing_public_artifact": "market_public.json",
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            },
            {
              "cn8": "10011900",
              "description": "Durum wheat (excl. seed for sowing)",
              "worksheet_row": 1321
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          ],
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          "source_organisation": "Hungarian Central Statistical Office",
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    },
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      "certified_area_evidence": false,
      "certified_quantity_evidence": false,
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      "production_evidence_before": false,
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      "trade_evidence": false,
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      "seedtrade_category": "forage-legumes",
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      "production_evidence": false,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 6,
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      "trade_evidence": false,
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        "purple-vetch": "GROUP_LEVEL"
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      "cn_codes": [
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      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
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      "latest_year": 2025,
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      "comparable_history_length": 3,
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        },
        {
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          "unit": "ha",
          "definition": "APPROVED_MULTIPLICATION_FIELD",
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          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "source_id": "src-441c358b33cfc8b7cf58",
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          "organisation": "DGAV",
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          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "source_id": "src-5d633a5cfa1100769ba7",
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
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          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
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          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
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      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
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          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
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      "trade_provenance": [
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          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
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      ],
      "cn_provenance": [
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          "sowing_seed": {
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            "limitation": "No confirmed sowing-specific CN8"
          },
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            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": "Dry broad beans may share heading",
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          "retrieval_date": "2026-10-02",
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        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
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    },
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      "canonical_entity_ids": [
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      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
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      "new_official_observations": 0,
      "trade_evidence": false,
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        "CZ",
        "ES",
        "LV",
        "SK"
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      "earliest_year": 2023,
      "latest_year": 2025,
      "latest_trade_period": null,
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
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        },
        {
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          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
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        },
        {
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          "unit": "kg",
          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
          "scope": "",
          "history_length": 1
        },
        {
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          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
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          "definition": "FIELD_INSPECTED",
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        },
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          "metric": "CERTIFIED_SEED_AREA",
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          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
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          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
        },
        {
          "source_id": "src-d6eb0e90b426d28262b4",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-f499fa53a964290a5bab",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
          "url": "https://www.lfl.bayern.de/mam/cms07/publikationen/daten/informationen/greening-zwischenfruchtanbau-lfl-information-2018.pdf",
          "retrieved_at": "2026-10-03",
          "document": "Greening und Zwischenfruchtanbau, November 2018, Annex 1 pages 8–10",
          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "hungarian-vetch",
          "mapping_status": "CN_MAPPING_NOT_SPECIES_SPECIFIC",
          "nomenclature_year": 2026,
          "cn4": [
            "1209"
          ],
          "cn6": [
            "120929"
          ],
          "cn8": [
            "12092945"
          ],
          "hs6": [
            "120929"
          ],
          "hs6_scope": "Hierarchy only; no species/sowing proof",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [
              "12092945"
            ],
            "limitation": "Product type/use must fit the official description; not an observation-level trade-flow linkage"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": []
          },
          "official_descriptions": [
            {
              "cn8": "12092945",
              "description": "Timothy grass seed, vetch seed, seeds of the genus Poa palustris L. and Poa trivialis L., seeds of cocksfoot grass \"Dactylis glomerata L.\", and seeds of bent grass \"Agrostis\", for sowing",
              "worksheet_row": 1497
            }
          ],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 tariff concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    },
    {
      "canonical_species_id": "common-vetch",
      "canonical_entity_ids": [
        "common-vetch"
      ],
      "common_name": "Common vetch",
      "botanical_name": "Vicia sativa",
      "biological_species_key": "Vicia sativa",
      "seedtrade_category": "forage-legumes",
      "use_tags": [
        "CATCH_CROP",
        "COVER_CROP",
        "FORAGE",
        "SEED_PRODUCTION"
      ],
      "catch_crop": true,
      "production_evidence": true,
      "certified_area_evidence": true,
      "certified_quantity_evidence": true,
      "any_production_metric": true,
      "production_evidence_before": true,
      "production_observation_count": 34,
      "new_official_observations": 0,
      "trade_evidence": false,
      "trade_granularity": "GROUP_LEVEL_OR_NOT_AVAILABLE",
      "cn_status": "GROUP_LEVEL",
      "entity_cn_statuses": {
        "common-vetch": "GROUP_LEVEL"
      },
      "cn_codes": [
        "12092945"
      ],
      "sowing_non_sowing_separated": true,
      "countries_covered": [
        "AT",
        "CZ",
        "ES",
        "LV",
        "PT",
        "SK"
      ],
      "country_scope": "PRODUCTION_ONLY; trade scope remains in COMEXT",
      "earliest_year": 2021,
      "latest_year": 2025,
      "latest_trade_period": null,
      "comparable_history_length": 4,
      "comparable_series": [
        {
          "id": "series-02492ece176f3da75f71",
          "country": "PT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_MULTIPLICATION_FIELD",
          "scope": "",
          "history_length": 4
        },
        {
          "id": "series-19b411dbb5a00ce26284",
          "country": "ES",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "PRECINTADO_DOMESTIC_ORIGIN_MARKETED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-2037f7f89b4a785de0bb",
          "country": "ES",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "DEDICATED_CERTIFIED_SEED_PRODUCTION_FIELD",
          "scope": "",
          "history_length": 3
        },
        {
          "id": "series-4209f420eea1fc03ee97",
          "country": "LV",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "INSPECTED_SEED_FIELD",
          "scope": "vasaras",
          "history_length": 4
        },
        {
          "id": "series-4da67a4cb98eaaa1173e",
          "country": "SK",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "APPROVED_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-707205164f44ad9d9d68",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "",
          "history_length": 2
        },
        {
          "id": "series-70ac9f50a9e3f6f90433",
          "country": "CZ",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "Vikev setá - Common vetch",
          "history_length": 3
        },
        {
          "id": "series-7f5c7c648c1449ad675d",
          "country": "LV",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "INSPECTED_SEED_FIELD",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-a9edcb90c6442d358c63",
          "country": "SK",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "FIELD_INSPECTED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-b46b49aa9bed58a5ef81",
          "country": "AT",
          "metric": "SEED_PRODUCTION_AREA",
          "unit": "ha",
          "definition": "APPLIED_FOR_FIELD_CERTIFICATION",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-b77f86dc4cc574489a5f",
          "country": "AT",
          "metric": "CERTIFIED_SEED_AREA",
          "unit": "ha",
          "definition": "CERTIFIED_FIELD_INCLUDING_CONDITIONAL",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-ba83a5e89ca35ddb505a",
          "country": "LV",
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          "unit": "ha",
          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
          "scope": "",
          "history_length": 1
        },
        {
          "id": "series-c3b01c45672d8b6bb6ac",
          "country": "LV",
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          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
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        },
        {
          "id": "series-d36380fae98c451575d1",
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        },
        {
          "id": "series-fe0e4349e4f0ecde0aba",
          "country": "PT",
          "metric": "CERTIFIED_QUANTITY",
          "unit": "kg",
          "definition": "CERTIFIED_LOTS",
          "scope": "",
          "history_length": 4
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      ],
      "coverage_grade": "MODERATE",
      "public_safe": true,
      "source_provenance": [
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          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
          "source_id": "src-c18b07ce73fcd3ae34ec",
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        {
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          "title": "Sēklaudzēšanas lauku platības",
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          "organisation": "Defra",
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          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
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          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
        {
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        },
        {
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          "definition": "FIELD_RECOGNISED_FOR_CERTIFIED_SEED",
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        },
        {
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        {
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          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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        {
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          "organisation": "DGAV",
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          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-9577de5eb4146bd4d670",
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          "organisation": "DGAV",
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          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
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          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
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        {
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          "organisation": "BAES",
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          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
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        {
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          "terminology": "INSPECTED_SEED_FIELD",
          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "organisation": "DGAV",
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          "terminology": "Quantidade certificada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
          "source_id": "src-b72eb5dc5ac2e220402a",
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          "organisation": "ÚKSÚP",
          "reporting_period": "2024",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
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        {
          "source_id": "src-b89406c08e7f962ffa3e",
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          "organisation": "DGAV",
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          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
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        {
          "source_id": "src-bb5f1b3e7aa02f933775",
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          "organisation": "ÚKSÚP",
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          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
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        {
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          "organisation": "VAAD",
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          "title": "Sēklaudzēšanas lauku platības",
          "url": "https://data.gov.lv/dati/dataset/43bd933a-92f2-4ecd-9c2e-6b2fba94b880/resource/cf3b0434-9df8-4038-9a6c-8d0e3fe3f094/download/2_seklaudz_lauku_platibas_kopsavil_pa_sugaam.xlsx"
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          "title": "Přehled přihlášených množitelských ploch 2024, 1. a 2. část",
          "url": "https://ukzuz.gov.cz/public/portal/ukzuz/-a54700---fhG7n0PB/prehled-prihlasenych-ploch-v-roce-2024-1.-a-2.-cast?_linka=a602934"
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        {
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      ],
      "identity_provenance": [
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          "id": "defra",
          "organisation": "Defra",
          "url": "https://www.gov.uk/guidance/how-to-do-the-sfi-actions-for-soils",
          "retrieved_at": "2026-10-03",
          "document": "Updated 2025-03-27; choosing a cover-crop mix and herbal ley",
          "scope": "Use examples; broader labels not automatically resolved to a species"
        },
        {
          "id": "lfl",
          "organisation": "Bavarian State Research Center for Agriculture (LfL)",
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          "scope": "Botanical names and catch-crop mixture use; historical permitted-species list, not current subsidy/legal eligibility or production evidence"
        },
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      "production_evidence_before": true,
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        "FR",
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        "PT",
        "RO",
        "SI",
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      "earliest_year": 2021,
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        },
        {
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        {
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        },
        {
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        },
        {
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          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2023/2024",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficiededicadaalaproducciondesemillacertificadacampana2023-2024.pdf"
        },
        {
          "source_id": "src-8d58a2f5d468d077163e",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "zertifizierte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-9577de5eb4146bd4d670",
          "accessed": "2026-10-02",
          "organisation": "DGAV",
          "reporting_period": "2022/2023",
          "terminology": "Área aprovada",
          "title": "Dados Nacionais – DGAV",
          "url": "https://www.dgav.pt/plantas/conteudo/sementes-plantas-e-variedades/sementes/producao-e-certificacao-de-sementes/producao-e-certificacao-de-sementes-estatistica/"
        },
        {
          "source_id": "src-95c0db30a11170d6e81c",
          "accessed": "2026-10-02",
          "organisation": "ESCAA",
          "reporting_period": "2025",
          "terminology": "field production area for seeds",
          "title": "Seed production in EU - 2025",
          "url": "https://www.escaa.org/index/action/page/id/7/title/seed-production-in-eu---2025"
        },
        {
          "source_id": "src-965e59d4176563385a7d",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/superficie-dedicada-a-la-produccion-semillas-certificadas--campana-24-25.pdf"
        },
        {
          "source_id": "src-967a6c0814038153fd63",
          "accessed": "2026-10-02",
          "organisation": "BAES",
          "reporting_period": "2025",
          "terminology": "beantragte Fläche SUMME",
          "title": "Sommerungen gesamt ohne Sorten 2025",
          "url": "https://baes.gv.at/fileadmin/baes/SaatundPflanzgut/Zulassung/Statistiken/Feldanerkennungsfl%C3%A4chen_Sommerungen_gesamt/Sommerungen_gesamt_ohne_Sorten_2025_BAES.pdf"
        },
        {
          "source_id": "src-96d3c92844be47b5d730",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2024",
          "terminology": "DECLARED_FOR_CERTIFICATION",
          "title": "Pridelava uradno potrjenega semena 2024",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2024.docx"
        },
        {
          "source_id": "src-b61aec6641c9b242bba4",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2025",
          "terminology": "DECLARED_FOR_CERTIFICATION",
          "title": "Pridelava uradno potrjenega semena 2025",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
        },
        {
          "source_id": "src-b72eb5dc5ac2e220402a",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2024",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-bb5f1b3e7aa02f933775",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "uznané",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-cbf7131937e45dd7373a",
          "accessed": "2026-10-02",
          "organisation": "UVHVVR",
          "reporting_period": "2025",
          "terminology": "APPROVED_CERTIFICATION_FIELD",
          "title": "Pridelava uradno potrjenega semena 2025",
          "url": "https://www.gov.si/assets/organi-v-sestavi/UVHVVR/Rastlinski-semenski-material/Uradno-potrjevanje-in-naknadna-kontrola/Pregled-pridelave-uradno-potrjenega-semena_2025.docx"
        },
        {
          "source_id": "src-ceefec903425a4e5924f",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2024",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-d6eb0e90b426d28262b4",
          "accessed": "2026-10-02",
          "organisation": "ÚKSÚP",
          "reporting_period": "2025",
          "terminology": "prehliadnuté",
          "title": "UZNANÉ MNOŽITEĽSKÉ PLOCHY V ROKU 2025",
          "url": "https://www.uksup.sk/storage/app/uploads/public/698/af6/14e/698af614ea5eb520737689.pdf"
        },
        {
          "source_id": "src-df8f948435955815df7b",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2020/2021",
          "terminology": "Superficie dedicada a la producción de semillas certificadas",
          "title": "Superficie dedicada a la producción semillas certificadas. Campaña 2020-2021.xlsx",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/estadisticas/superficiededicadaalaproduccionsemillascertificadascampana2020-2021.pdf"
        },
        {
          "source_id": "src-f499fa53a964290a5bab",
          "accessed": "2026-10-02",
          "organisation": "MAPA",
          "reporting_period": "2024/2025",
          "terminology": "PRECINTADO; semillas comercializadas de origen nacional",
          "title": "MAPA seed certification statistics",
          "url": "https://www.mapa.gob.es/dam/mapa/contenido/agricultura/temas/medios-de-produccion/semillas-y-plantas-de-vivero/estadisticas/certificacion-semilla-producida-en-espana-por-especie-y-ccaa--precintado-campana-24-25.pdf"
        }
      ],
      "identity_provenance": [
        {
          "id": "v041",
          "organisation": "SeedTrade evidence review of official national seed authorities",
          "url": null,
          "retrieved_at": "2026-10-03",
          "checkpoint_sha256": "2b149594c48a1f0ed1de04f69835baffb4e671a04901a48a37aa88a52a7d4359",
          "scope": "Recovered V4.1 canonical IDs, bounded ranks, source taxon mapping and CN evidence; original checkpoint retained"
        }
      ],
      "trade_provenance": [
        {
          "status": "NOT_AVAILABLE",
          "market_slugs": [],
          "cn8": [],
          "species_values_allocated": false,
          "source": "Eurostat COMEXT DS-045409",
          "existing_public_artifact": "market_public.json",
          "history_concordance": "Existing accepted dataset only; 2026 nomenclature not projected backwards"
        }
      ],
      "cn_provenance": [
        {
          "canonical_species_id": "maize",
          "mapping_status": "CN_MAPPING_NOT_AVAILABLE",
          "nomenclature_year": 2026,
          "cn4": [],
          "cn6": [],
          "cn8": [],
          "hs6": [],
          "hs6_scope": "Six-digit hierarchy only; not proof of species-specific or sowing-specific classification",
          "sowing_seed": {
            "usage": "SOWING_SEED",
            "verified_cn8": [],
            "limitation": "No confirmed sowing-specific CN8"
          },
          "non_sowing_commodity": {
            "usage": "NON_SOWING_COMMODITY",
            "codes": [],
            "recovered_note": null,
            "note_semantics": "Historical non_sowing field often describes grouped classification, not an actual commodity code"
          },
          "official_descriptions": [],
          "source_url": "https://www.ksh.hu/docs/osztalyozasok/kn/kn2026_structure.xlsx",
          "source_organisation": "Hungarian Central Statistical Office",
          "retrieval_date": "2026-10-02",
          "notes": [],
          "historical_year_eligibility": "REVIEW_REQUIRED; no 2021–2025 concordance inferred"
        }
      ],
      "research_status": "EXISTING_PUBLIC_EVIDENCE_AUDITED",
      "limitations": [
        "Missing years absent, not zero. No interpolation; no pooling across stages, seasons, units, source botanical scope or geography.",
        "Coverage audit is bounded to existing public data plus selected FR/DE/PL authorities; a DATA_GAP is not proof of no EU seed production.",
        "2026 CN identity status is preserved; historical concordance is not inferred.",
        "No species-specific usable trade series; broader CN categories may exist but values are not allocated."
      ]
    }
  ]
}
