{"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":""},"status":"not_native","version":"shared-0.6.5"},"condition_evidence":{"light":{"evidence_id":"fact:38c25db5860c3b591f846f4905150caca1b98b766d47ff67907680b72d7549d3","levels":[1,2,3,4],"policy":"selected-condition-categories-1","range":[1,4],"scope":{"kind":"unspecified"},"semantics":"source_light_categories_preserved_without_hour_conversion","source_field":"light","source_label":"NC Extension Plant Toolbox","source_url":"https://plants.ces.ncsu.edu/plants/urtica-dioica/","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:ece4a5595c0ad6655dc6a0325f539c6fc0e9aa0feb326bee8ef8a8e1eb604ac2","levels":[3],"policy":"selected-condition-categories-1","range":[3,3],"scope":{"kind":"unspecified"},"semantics":"source_drainage_or_moisture_categories_preserved","source_field":"moisture_categories","source_label":"NC Extension Plant Toolbox","source_url":"https://plants.ces.ncsu.edu/plants/urtica-dioica/","status":"mapped_selected_fact"}},"evidence":{"fit_score":null,"growth_habit":null,"invasive_status":{"status":"unresolved"},"native_status":{"status":"not_native"},"occurrence":{"county_fips":["21111","21135","21171"],"meaning":"Recorded occurrence; not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["21111","21135","21171"],"growth_habit":null,"growth_habit_source":null,"invasive":null,"invasive_evidence":[],"invasive_rank":null,"native":false,"native_evidence":[{"basis":"unanimous_direct_child_native_flags","claim":"introduced","matched_name":"Urtica dioica","scope":"TN-KY","source":"tnky_atlas","supporting_taxa":[{"atlas_id":3058,"native_flag":"N","scientific_name":"Urtica dioica ssp. dioica","url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/3058"}],"url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/4001"},{"claim":"native","matched_name":"Urtica dioica","scope":"L48","source":"usda","text":"AK:I AK:N CAN:I CAN:N GL:I L48:I L48:N SPM:I SPM:N","url":"https://plants.usda.gov/"}],"native_status":"not_native","source_ids":["tnky:4001"],"source_name":"Urtica dioica","source_refs":["KY-county-21111.json","KY-county-21135.json","KY-county-21171.json"],"source_url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/4001","state_rank":null},"source_refs":["KY-county-21111.json","KY-county-21135.json","KY-county-21171.json"],"source_url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/4001","state_rank":{"value":null}},"fit_inputs":{"light":[1,4],"moisture":[3,3],"ph":null},"fit_provenance":{"light":"NC Extension Plant Toolbox","moisture":"NC Extension Plant Toolbox"},"fit_record":{"band":"Not native","condition_evidence":{"light":{"evidence_id":"fact:38c25db5860c3b591f846f4905150caca1b98b766d47ff67907680b72d7549d3","levels":[1,2,3,4],"policy":"selected-condition-categories-1","range":[1,4],"scope":{"kind":"unspecified"},"semantics":"source_light_categories_preserved_without_hour_conversion","source_field":"light","source_label":"NC Extension Plant Toolbox","source_url":"https://plants.ces.ncsu.edu/plants/urtica-dioica/","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:ece4a5595c0ad6655dc6a0325f539c6fc0e9aa0feb326bee8ef8a8e1eb604ac2","levels":[3],"policy":"selected-condition-categories-1","range":[3,3],"scope":{"kind":"unspecified"},"semantics":"source_drainage_or_moisture_categories_preserved","source_field":"moisture_categories","source_label":"NC Extension Plant Toolbox","source_url":"https://plants.ces.ncsu.edu/plants/urtica-dioica/","status":"mapped_selected_fact"}},"county_fips":["21111","21135","21171","47019","47029","47059","47149","47157","47187"],"fit_inputs":{"light":[1,4],"moisture":[3,3],"ph":null},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. 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Stout stems grow 3.3 to 6.6 feet (1-2 m) tall. Leaves, stems, and flowers are sparsely to moderately covered with stinging hairs. Two subspecies, American stinging nettle and hoary nettle, are native; the third subspecies in North America, European stinging nettle, was introduced in the mid-1800's. American stinging nettle and hoary nettle are predominantly monoecious whereas European stinging nettle is typically dioecious. The fruit is an achene [1,51]. 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distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Urtica dioica","source_sha256":"55425e5c13cd48f8344b1f9e650291ec22754ff137d18d49d1834148955b9f71","source_url":"https://plants.ces.ncsu.edu/plants/urtica-dioica/","status":"eligible_fact","taxon_id":"taxon:5f981c1a-3804-51ca-a8ea-e5563203048b","value":["Moist","Occasionally Wet"]},{"expected_source_name":"Urtica dioica","field":"hardiness_zones","original_field":"hardiness","record_id":"trait:c5235e8f8ae51b46048460356fd9c456be6e58ca0785f8d466f561fd9b5232ef","retrieved_at":"2026-10-04T02:47:30.449276+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Urtica dioica","source_sha256":"55425e5c13cd48f8344b1f9e650291ec22754ff137d18d49d1834148955b9f71","source_url":"https://plants.ces.ncsu.edu/plants/urtica-dioica/","status":"eligible_fact","taxon_id":"taxon:5f981c1a-3804-51ca-a8ea-e5563203048b","value":["4a, 4b, 5a, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b"]},{"expected_source_name":"Urtica dioica","field":"flower_color","original_field":"flower_color","record_id":"trait:cb063a352db0b498db66d02ea12f764da4981928c2ddadcba275c8742421b3d9","retrieved_at":"2026-10-04T02:47:30.449276+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Urtica dioica","source_sha256":"55425e5c13cd48f8344b1f9e650291ec22754ff137d18d49d1834148955b9f71","source_url":"https://plants.ces.ncsu.edu/plants/urtica-dioica/","status":"eligible_fact","taxon_id":"taxon:5f981c1a-3804-51ca-a8ea-e5563203048b","value":["Green","White"]},{"expected_source_name":"Urtica dioica","field":"spread_description","original_field":"spread","record_id":"trait:f1d86ec7217c167f08d3efb64dda7bae2378a798c8a813c4d5e8765b50c54ab7","retrieved_at":"2026-10-04T02:47:30.449276+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Urtica dioica","source_sha256":"55425e5c13cd48f8344b1f9e650291ec22754ff137d18d49d1834148955b9f71","source_url":"https://plants.ces.ncsu.edu/plants/urtica-dioica/","status":"eligible_fact","taxon_id":"taxon:5f981c1a-3804-51ca-a8ea-e5563203048b","value":{"max":3,"min":1,"unit":"feet"}}],"values":{"flower_color":["Green","White"],"hardiness_zones":["4a, 4b, 5a, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b"],"height_description":"3–9 feet","life_cycle":["Perennial"],"light":["Dappled Sunlight (Shade through upper canopy all day)","Full sun (6 or more hours of direct sunlight a day)","Partial Shade (Direct sunlight only part of the day, 2-6 hours)"],"moisture_categories":["Moist","Occasionally Wet"],"spread_description":"1–3 feet"}},"wildflower_center":{"matched_name":"Urtica dioica","retrieved":"2026-10-05T20:14:45.277796+00:00","scope":{"kind":"unspecified"},"scope_note":"Source-reported species characteristics; not a location-specific estimate.","source_label":"Lady Bird Johnson Wildflower Center","source_sha256":"c2f14854ba511bcec31d0a059abe4906a62bf9e562f270a913bc322482114cbd","source_url":"https://www.wildflower.org/plants/result.php?id_plant=URDI","trait_evidence":[{"expected_source_name":"Urtica dioica","field":"moisture_categories","original_field":"soil_moisture","record_id":"trait:667c4e5f935baccc194aabce97a5f4f520271c69d1de395d454fb6ba48e7b3cf","retrieved_at":"2026-10-05T20:14:45.277796+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"wildflower","source_name":"Urtica dioica","source_sha256":"c2f14854ba511bcec31d0a059abe4906a62bf9e562f270a913bc322482114cbd","source_url":"https://www.wildflower.org/plants/result.php?id_plant=URDI","status":"eligible_fact","taxon_id":"taxon:5f981c1a-3804-51ca-a8ea-e5563203048b","value":["Moist"]},{"expected_source_name":"Urtica dioica","field":"light","original_field":"light","record_id":"trait:7c8c3b2bd26ec49cba30f05ec079299c6e75d69791a0d28f81aa324e422deac4","retrieved_at":"2026-10-05T20:14:45.277796+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"wildflower","source_name":"Urtica dioica","source_sha256":"c2f14854ba511bcec31d0a059abe4906a62bf9e562f270a913bc322482114cbd","source_url":"https://www.wildflower.org/plants/result.php?id_plant=URDI","status":"eligible_fact","taxon_id":"taxon:5f981c1a-3804-51ca-a8ea-e5563203048b","value":["Sun","Part Shade","Shade"]},{"expected_source_name":"Urtica dioica","field":"height_description","original_field":"height","record_id":"trait:b0bc7554f9a9c0a454e86631a264a366f5dffdcf4263001f383ceb7ac047d1d1","retrieved_at":"2026-10-05T20:14:45.277796+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"wildflower","source_name":"Urtica dioica","source_sha256":"c2f14854ba511bcec31d0a059abe4906a62bf9e562f270a913bc322482114cbd","source_url":"https://www.wildflower.org/plants/result.php?id_plant=URDI","status":"eligible_fact","taxon_id":"taxon:5f981c1a-3804-51ca-a8ea-e5563203048b","value":{"approximate":true,"kind":"upper_bound","max":10,"unit":"feet"}},{"expected_source_name":"Urtica dioica","field":"flower_color","original_field":"flower_color","record_id":"trait:bbeb723362b858e2d4090076f961b6f1c2d4d47db7487e3741fbadb1d9a6d55a","retrieved_at":"2026-10-05T20:14:45.277796+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"wildflower","source_name":"Urtica dioica","source_sha256":"c2f14854ba511bcec31d0a059abe4906a62bf9e562f270a913bc322482114cbd","source_url":"https://www.wildflower.org/plants/result.php?id_plant=URDI","status":"eligible_fact","taxon_id":"taxon:5f981c1a-3804-51ca-a8ea-e5563203048b","value":["Green","Brown"]},{"expected_source_name":"Urtica dioica","field":"life_cycle","original_field":"life_cycle","record_id":"trait:ee35ae8784bd6c4dcec04136353e1e0b012ff0d8382dee9ea30cf40a5d7dd9d9","retrieved_at":"2026-10-05T20:14:45.277796+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"wildflower","source_name":"Urtica dioica","source_sha256":"c2f14854ba511bcec31d0a059abe4906a62bf9e562f270a913bc322482114cbd","source_url":"https://www.wildflower.org/plants/result.php?id_plant=URDI","status":"eligible_fact","taxon_id":"taxon:5f981c1a-3804-51ca-a8ea-e5563203048b","value":["Perennial"]}],"values":{"flower_color":["Green","Brown"],"height_description":"Up to about 10 feet","life_cycle":["Perennial"],"light":["Sun","Part Shade","Shade"],"moisture_categories":["Moist"]}}},"light_range":["shade","full sun"],"light_source":"NC Extension Plant Toolbox","native_synthesis":{"claims":[{"basis":"unanimous_direct_child_native_flags","claim":"introduced","matched_name":"Urtica dioica","scope":"TN-KY","source":"tnky_atlas","supporting_taxa":[{"atlas_id":3058,"native_flag":"N","scientific_name":"Urtica dioica ssp. dioica","url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/3058"}],"url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/4001"},{"claim":"native","matched_name":"Urtica dioica","scope":"L48","source":"usda","text":"AK:I AK:N CAN:I CAN:N GL:I L48:I L48:N SPM:I SPM:N","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":"Urtica dioica","taxon_id":"taxon:5f981c1a-3804-51ca-a8ea-e5563203048b","revision":"publish:5809c037-0e9a-430a-8008-5ab6f69800c0","photos":[{"id":"inat-42203045","src":"/api/photos/image/c5664acc919639414b79e2cee33746ad943897256dc3f4cecdff6189861907f8.jpg","view":"foliage","alt":"Urtica dioica — foliage 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/42203045","changes":"iNaturalist medium image; no additional crop, retouching, or re-encoding."}]}