{"assessment":{"band":"Not native","fit_score":null,"native_basis":"not_native","rarity_adjustment":null,"rarity_policy":"Conservation status is displayed separately and never changes ecological scores, including when unranked.","reason":"Reported non-native to Kentucky.","reference":"NC native reference cohort, method 0.6.4; not a Kentucky percentile","score":null,"scoring_inputs":{"harm_penalty":0,"invasive":false,"invasive_rank":null,"native":false,"state_rank":"SNA"},"status":"not_native","version":"shared-0.6.5"},"condition_evidence":{"light":{"evidence_id":"fact:3b15bb15d9aae7627f621f881c6ed54ad4a4447ca53e2ece20237f56a7436623","levels":[4],"policy":"selected-condition-categories-1","range":[4,4],"scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"semantics":"documented_native_habitat_conditions","source_field":"habitat_light_categories","source_label":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","source_url":"https://play.google.com/store/apps/details?id=com.emountainworks.android.southeastfieldguide","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:022f922a580c19d74447a7c0c6f7ec470fcb72b9030bbbca63a16afe53147604","levels":[0,3,4],"policy":"selected-condition-categories-1","range":[0,4],"scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"semantics":"documented_native_habitat_conditions","source_field":"habitat_moisture_categories","source_label":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","source_url":"https://play.google.com/store/apps/details?id=com.emountainworks.android.southeastfieldguide","status":"mapped_selected_fact"}},"evidence":{"fit_score":null,"growth_habit":["Forb/herb"],"invasive_status":{"status":"unresolved"},"native_status":{"status":"not_native"},"occurrence":{"county_fips":["21037","21093","21117"],"meaning":"Recorded occurrence; not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["21037","21093","21117"],"growth_habit":"forb","growth_habit_source":"tnky_atlas","invasive":null,"invasive_evidence":[],"invasive_rank":null,"native":false,"native_evidence":[{"claim":"introduced","matched_name":"Centaurea jacea","scope":"TN-KY","source":"tnky_atlas","url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/823"},{"claim":"introduced","matched_name":"Centaurea jacea","scope":"L48","source":"usda","text":"CAN:I GL:I L48:I","url":"https://plants.usda.gov/"}],"native_status":"not_native","source_ids":["tnky:823"],"source_name":"Centaurea jacea","source_refs":["KY-county-21037.json","KY-county-21093.json","KY-county-21117.json","sernec_county"],"source_url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/823","state_rank":"SNA"},"source_refs":["KY-county-21037.json","KY-county-21093.json","KY-county-21117.json","sernec_county"],"source_url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/823","state_rank":{"value":"SNA"}},"fit_inputs":{"light":[4,4],"moisture":[0,4],"ph":null},"fit_provenance":{"light":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","moisture":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)"},"fit_record":{"band":"Not native","condition_evidence":{"light":{"evidence_id":"fact:3b15bb15d9aae7627f621f881c6ed54ad4a4447ca53e2ece20237f56a7436623","levels":[4],"policy":"selected-condition-categories-1","range":[4,4],"scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"semantics":"documented_native_habitat_conditions","source_field":"habitat_light_categories","source_label":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","source_url":"https://play.google.com/store/apps/details?id=com.emountainworks.android.southeastfieldguide","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:022f922a580c19d74447a7c0c6f7ec470fcb72b9030bbbca63a16afe53147604","levels":[0,3,4],"policy":"selected-condition-categories-1","range":[0,4],"scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"semantics":"documented_native_habitat_conditions","source_field":"habitat_moisture_categories","source_label":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","source_url":"https://play.google.com/store/apps/details?id=com.emountainworks.android.southeastfieldguide","status":"mapped_selected_fact"}},"county_fips":["21037","21093","21117"],"fit_inputs":{"light":[4,4],"moisture":[0,4],"ph":null},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. Missing source traits remain unknown.","fit_provenance":{"light":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","moisture":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed"},"invasive_rank":false,"native_eligible":false,"quercus_score":null,"state":"KY"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed"},"growing_observations":{"floraquest_carolinas_georgia":{"matched_name":"Centaurea jacea","retrieved":"2026-10-04T13:31:16.252589+00:00","scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"scope_note":"Original regional ecological and identification evidence; no location-specific gardening adjustments.","source_label":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","source_name":"Centaurea jacea","source_record_id":5846,"source_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_url":"https://play.google.com/store/apps/details?id=com.emountainworks.android.southeastfieldguide","trait_evidence":[{"field":"habitat_description","source_column":"HabitatText","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":5846,"source_table":"Organism","value":"Roadsides, disturbed areas."},{"field":"geographic_range_description","source_column":"Description","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":5846,"source_table":"Organism","value":"Native of Europe. This species is increasing rapidly in the Virginia Ridge and Valley. Reported for Alleghany County, North Carolina (Poindexter, Weakley, & Denslow 2011)."},{"field":"phenology_source_text","source_column":"Phenology","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":5846,"source_table":"Organism","value":"Jun-Sep."},{"field":"taxonomic_synonymy","source_column":"Synonymy","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":5846,"source_table":"Organism","value":"[= C, Can, F, FNA19, G, Il, K1, K4, Mi, NE, NS, NY, Oh3, Pa, SE1, Tat, Va; = Jacea pratensis Lamarck; = n/a — RAB; > Centaurea jacea L. ssp. jacea — POWO, and likely other subspecies as well]"},{"field":"heliophily_index","source_column":"HIndex","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":5846,"source_table":"Organism","value":9},{"field":"regional_wetland_indicators","source_column":"WetlandStatus1..5","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":5846,"source_table":"Organism","value":[{"source_column":"WetlandStatus1","value":"FACU"},{"source_column":"WetlandStatus2","value":"FACU"},{"source_column":"WetlandStatus3","value":"FACU"},{"source_column":"WetlandStatus4","value":"FACU"},{"source_column":"WetlandStatus5","value":"FACU"}]},{"field":"habitat_moisture_categories","source_column":"Attr2","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":5846,"source_table":"GraphicKey","value":["Dry","Moist","Wet"]},{"field":"habitat_light_categories","source_column":"Attr3","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":5846,"source_table":"GraphicKey","value":["Full sun"]},{"field":"graphic_key_source_attributes","source_column":"Attr0..25","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":5846,"source_table":"GraphicKey","value":{"Attr0":"gr08","Attr1":"nc_mt,","Attr10":"en,to","Attr11":"dk","Attr13":"pur","Attr14":"none","Attr2":"Dry,Moist,Wet","Attr3":"Sun","Attr3a":"n","Attr3a_subregion":"native_nc_mt:n,","Attr4":" 5-10","Attr5":"pu","Attr6":"n","Attr7":"n,y","Attr8":"alt","Attr9":"lc,si"}}],"values":{"geographic_range_description":"Native of Europe. This species is increasing rapidly in the Virginia Ridge and Valley. Reported for Alleghany County, North Carolina (Poindexter, Weakley, & Denslow 2011).","graphic_key_source_attributes":{"Attr0":"gr08","Attr1":"nc_mt,","Attr10":"en,to","Attr11":"dk","Attr13":"pur","Attr14":"none","Attr2":"Dry,Moist,Wet","Attr3":"Sun","Attr3a":"n","Attr3a_subregion":"native_nc_mt:n,","Attr4":" 5-10","Attr5":"pu","Attr6":"n","Attr7":"n,y","Attr8":"alt","Attr9":"lc,si"},"habitat_description":"Roadsides, disturbed areas.","habitat_light_categories":["Full sun"],"habitat_moisture_categories":["Dry","Moist","Wet"],"heliophily_index":9,"phenology_source_text":"Jun-Sep.","regional_wetland_indicators":[{"source_column":"WetlandStatus1","value":"FACU"},{"source_column":"WetlandStatus2","value":"FACU"},{"source_column":"WetlandStatus3","value":"FACU"},{"source_column":"WetlandStatus4","value":"FACU"},{"source_column":"WetlandStatus5","value":"FACU"}],"taxonomic_synonymy":"[= C, Can, F, FNA19, G, Il, K1, K4, Mi, NE, NS, NY, Oh3, Pa, SE1, Tat, Va; = Jacea pratensis Lamarck; = n/a — RAB; > Centaurea jacea L. ssp. jacea — POWO, and likely other subspecies as well]"}},"minnesota_wildflowers":{"matched_name":"Centaurea jacea","retrieved":"2026-10-04T02:32:18.918691+00:00","scope":{"kind":"unspecified"},"scope_note":"Source-reported species characteristics; not a location-specific estimate.","source_label":"Minnesota Wildflowers","source_sha256":"d6992b222db8f78a6842db5fcdcff8d505abe3c72947a7a6849cfa0570b117d3","source_url":"https://www.minnesotawildflowers.info/flower/brown-knapweed","trait_evidence":[{"expected_source_name":"Centaurea jacea","field":"life_cycle","original_field":"life_cycle","record_id":"trait:484b253b412d2e71211a5b676ccb7b1ef781fec2f305dbae932913d5cc865cbc","retrieved_at":"2026-10-04T02:32:18.918691+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"minnesota","source_name":"Centaurea jacea","source_sha256":"d6992b222db8f78a6842db5fcdcff8d505abe3c72947a7a6849cfa0570b117d3","source_url":"https://www.minnesotawildflowers.info/flower/brown-knapweed","status":"eligible_fact","taxon_id":"taxon:7e62d589-f569-5a98-9237-0d1c2cf65833","value":["perennial"]},{"expected_source_name":"Centaurea jacea","field":"height_description","original_field":"height","record_id":"trait:4ab5789605cd3a2cc318e24b5d5c7d29bdf89b009639e6c7d6ed4232a7b04926","retrieved_at":"2026-10-04T02:32:18.918691+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"minnesota","source_name":"Centaurea jacea","source_sha256":"d6992b222db8f78a6842db5fcdcff8d505abe3c72947a7a6849cfa0570b117d3","source_url":"https://www.minnesotawildflowers.info/flower/brown-knapweed","status":"eligible_fact","taxon_id":"taxon:7e62d589-f569-5a98-9237-0d1c2cf65833","value":{"max":4,"min":1,"unit":"feet"}}],"values":{"height_description":"1–4 feet","life_cycle":["perennial"]}}},"light_range":["full sun","full sun"],"light_source":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","native_synthesis":{"claims":[{"claim":"introduced","matched_name":"Centaurea jacea","scope":"TN-KY","source":"tnky_atlas","url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/823"},{"claim":"introduced","matched_name":"Centaurea jacea","scope":"L48","source":"usda","text":"CAN:I GL:I L48:I","url":"https://plants.usda.gov/"}],"county_native_range":"unresolved","explanation":"Source scopes are preserved. State occurrence alone does not establish nativity; combined regional evidence is labeled estimated.","label":"Not native to Kentucky","rule":"southeast-native-synthesis-1","status":"not_native"},"source_name":"Centaurea jacea","taxon_id":"taxon:7e62d589-f569-5a98-9237-0d1c2cf65833","revision":"publish:5809c037-0e9a-430a-8008-5ab6f69800c0","photos":[{"id":"inat-590474102","src":"/api/photos/image/d857e28a8c4181060127fdfdf48ad83d07223079a601cb74a80572ccb82c7683.jpg","view":"bloom","alt":"Centaurea jacea — flower photograph","width":375,"height":500,"artist":"no rights reserved","license":"CC0","license_url":"https://creativecommons.org/publicdomain/zero/1.0/","source_url":"https://www.inaturalist.org/photos/590474102","changes":"iNaturalist medium image; no additional crop, retouching, or re-encoding."}]}