{"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:cdaf0969765b80c062afc2013e0e379589e0a85afc1ace7dc407e17a91e025a6","levels":[2,3,4],"policy":"selected-condition-categories-1","range":[2,4],"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/betula-pendula/","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:f9a939cfe994a35b2fb436f5d4283f649fe55ff5fc985379efc9450ae9ed86ab","levels":[1,3],"policy":"selected-condition-categories-1","range":[1,3],"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/betula-pendula/","status":"mapped_selected_fact"}},"evidence":{"fit_score":null,"growth_habit":["Tree"],"invasive_status":{"status":"unresolved"},"native_status":{"status":"not_native"},"occurrence":{"county_fips":["21037","21067","21111","21117","21125","21151","21161","21185","21195","21227"],"meaning":"Recorded occurrence; not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["21037","21067","21111","21117","21125","21151","21161","21185","21195","21227"],"growth_habit":"tree","growth_habit_source":"tnky_atlas","invasive":null,"invasive_evidence":[],"invasive_rank":null,"native":false,"native_evidence":[{"claim":"introduced","matched_name":"Betula pendula","scope":"TN-KY","source":"tnky_atlas","url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/1388"},{"claim":"introduced","matched_name":"Betula pendula","scope":"L48","source":"usda","text":"CAN:I L48:I","url":"https://plants.usda.gov/"}],"native_status":"not_native","source_ids":["tnky:1388"],"source_name":"Betula pendula","source_refs":["KY-county-21037.json","KY-county-21067.json","KY-county-21111.json","KY-county-21117.json","KY-county-21125.json","KY-county-21151.json","KY-county-21161.json","KY-county-21185.json","KY-county-21195.json","KY-county-21227.json","sernec_county"],"source_url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/1388","state_rank":"SNA"},"source_refs":["KY-county-21037.json","KY-county-21067.json","KY-county-21111.json","KY-county-21117.json","KY-county-21125.json","KY-county-21151.json","KY-county-21161.json","KY-county-21185.json","KY-county-21195.json","KY-county-21227.json","sernec_county"],"source_url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/1388","state_rank":{"value":"SNA"}},"fit_inputs":{"light":[2,4],"moisture":[1,3],"ph":[5,7.5]},"fit_provenance":{"light":"NC Extension Plant Toolbox","moisture":"NC Extension Plant Toolbox","ph":"USDA PLANTS"},"fit_record":{"band":"Not native","condition_evidence":{"light":{"evidence_id":"fact:cdaf0969765b80c062afc2013e0e379589e0a85afc1ace7dc407e17a91e025a6","levels":[2,3,4],"policy":"selected-condition-categories-1","range":[2,4],"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/betula-pendula/","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:f9a939cfe994a35b2fb436f5d4283f649fe55ff5fc985379efc9450ae9ed86ab","levels":[1,3],"policy":"selected-condition-categories-1","range":[1,3],"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/betula-pendula/","status":"mapped_selected_fact"}},"county_fips":["21037","21067","21111","21117","21125","21151","21161","21185","21195","21227","47037","47149","47177"],"fit_inputs":{"light":[2,4],"moisture":[1,3],"ph":[5,7.5]},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. 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distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Betula pendula","source_sha256":"839d0f4834ba4070ebf3f0665ac7a4fae3108eed8ee36f70a000ba514a4b79f5","source_url":"https://plants.ces.ncsu.edu/plants/betula-pendula/","status":"eligible_fact","taxon_id":"taxon:748a9856-55e6-571c-ab9c-94325a61d94d","value":["Acid (<6.0)","Neutral (6.0-8.0)"]},{"expected_source_name":"Betula pendula","field":"moisture_categories","original_field":"soil_moisture","record_id":"trait:8687f22948ba1b5b62e142ae22158e167abc7ce5705b71fd69de0f23c33e56bf","retrieved_at":"2026-10-04T02:31:52.793951+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":"Betula pendula","source_sha256":"839d0f4834ba4070ebf3f0665ac7a4fae3108eed8ee36f70a000ba514a4b79f5","source_url":"https://plants.ces.ncsu.edu/plants/betula-pendula/","status":"eligible_fact","taxon_id":"taxon:748a9856-55e6-571c-ab9c-94325a61d94d","value":["Moist","Occasionally Dry"]},{"expected_source_name":"Betula pendula","field":"spread_description","original_field":"spread","record_id":"trait:da28fbd67ebfe9860b21e8573dacd48439622f8cd6841ddae22816d39a039d43","retrieved_at":"2026-10-04T02:31:52.793951+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":"Betula pendula","source_sha256":"839d0f4834ba4070ebf3f0665ac7a4fae3108eed8ee36f70a000ba514a4b79f5","source_url":"https://plants.ces.ncsu.edu/plants/betula-pendula/","status":"eligible_fact","taxon_id":"taxon:748a9856-55e6-571c-ab9c-94325a61d94d","value":{"max":30,"min":10,"unit":"feet"}},{"expected_source_name":"Betula pendula","field":"light","original_field":"light","record_id":"trait:f5849e994aeb5e514d0507130396b4d98498ec75e15fa8268ece31e2f184bc9b","retrieved_at":"2026-10-04T02:31:52.793951+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":"Betula pendula","source_sha256":"839d0f4834ba4070ebf3f0665ac7a4fae3108eed8ee36f70a000ba514a4b79f5","source_url":"https://plants.ces.ncsu.edu/plants/betula-pendula/","status":"eligible_fact","taxon_id":"taxon:748a9856-55e6-571c-ab9c-94325a61d94d","value":["Full sun (6 or more hours of direct sunlight a day)","Partial Shade (Direct sunlight only part of the day, 2-6 hours)"]}],"values":{"flower_color":["Cream/Tan","Green"],"hardiness_zones":["2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b"],"height_description":"30–50 feet","leaf_habit":["Deciduous"],"life_cycle":["Perennial","Woody"],"light":["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 Dry"],"soil_ph_categories":["Acid (<6.0)","Neutral (6.0-8.0)"],"spread_description":"10–30 feet"}},"usda":{"matched_name":"Betula pendula","retrieved":"2026-09-24","scope":"Nationwide species characteristics; local growing conditions may vary","source_label":"USDA PLANTS","source_url":"https://plants.usda.gov/","usda_id":70017,"values":{"bloom_season":"Mid Spring","flower_color":"Brown","foliage_color":"Green","fruit_season_begin":"Summer","fruit_season_end":"Summer","growth_architecture":"Thicket Forming","growth_rate":"Rapid","height_ft":60,"leaf_retention":"No"}}},"light_range":["part shade","full sun"],"light_source":"NC Extension Plant Toolbox","native_synthesis":{"claims":[{"claim":"introduced","matched_name":"Betula pendula","scope":"TN-KY","source":"tnky_atlas","url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/1388"},{"claim":"introduced","matched_name":"Betula pendula","scope":"L48","source":"usda","text":"CAN: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":"Betula pendula","taxon_id":"taxon:748a9856-55e6-571c-ab9c-94325a61d94d","revision":"publish:5809c037-0e9a-430a-8008-5ab6f69800c0","photos":[{"id":"inat-73723498","src":"/api/photos/image/b21edf1a2cf3e5db7cb4b7b0cf4583f37b68850cb31128f0ce94aa469897cb58.jpg","view":"whole","alt":"Betula pendula — whole plant photograph","width":500,"height":375,"artist":"(c) Нурхайдарова Татьяна, some rights reserved (CC BY)","license":"CC BY 4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_url":"https://www.inaturalist.org/photos/73723498","changes":"iNaturalist medium image; no additional crop, retouching, or re-encoding."}]}