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Flower visits are a resource-use proxy, not confirmed feeding or pollination. Missing evidence is unknown. Study volume and repeated records earn no extra credit.","maximum_credit":5,"version":"insect-support-1"},"pct":{"bees":0.24379652605459057,"birds":0.8722084367245657,"caterpillars":0.9528535980148883,"specialists":0.4323821339950372,"structure":1},"rank_pct":0.696,"raw":{"bees":0,"birds":6,"caterpillars":68,"genus_used":null,"specialists":0,"structure":["Shrub","Tree"]}},"fit_score":null,"native_basis":"native_supported","rarity_adjustment":0,"rarity_policy":"Conservation status is displayed separately and never changes ecological scores, including when unranked.","reason":"Calculated with the shared rules using Virginia host-range and shared ecological evidence.","reference":"NC native reference cohort, method 0.6.4; not a Virginia percentile","score":65,"scoring_inputs":{"harm_penalty":0,"invasive":false,"invasive_rank":null,"native":true,"state_rank":"S5"},"source_ids":["lep_va","globi","bigbee","avian","usdahabit","robertson","antseed"],"status":"scored_provisional","version":"shared-0.6.5"},"condition_evidence":{"light":{"evidence_id":"fact:9590fccff3776eb6b187df0afa4e14342bd2ecc2d83617baaf74afdc245a8ec6","levels":[2,3,4],"policy":"selected-condition-categories-2","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/sorbus-americana/","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:2d9bfbeec9b96746231bec65e3b1b6acf2f549218277bdd8a0eed1571eaf3cae","levels":[3],"policy":"selected-condition-categories-2","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/sorbus-americana/","status":"mapped_selected_fact"}},"evidence":{"fit_score":null,"growth_habit":["Shrub","Tree"],"invasive_status":{"status":"unresolved"},"native_status":{"status":"native_supported"},"occurrence":{"county_fips":["51003","51005","51009","51015","51017","51019","51021","51023","51027","51045","51063","51069","51071","51077","51079","51091","51105","51113","51125","51139","51157","51163","51165","51167","51173","51185","51187","51191"],"meaning":"Recorded occurrence; not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["51003","51005","51009","51015","51017","51019","51021","51023","51027","51045","51063","51069","51071","51077","51079","51091","51105","51113","51125","51139","51157","51163","51165","51167","51173","51185","51187","51191"],"growth_habit":null,"growth_habit_source":null,"invasive":null,"invasive_evidence":[],"invasive_rank":null,"native":true,"native_basis":"state_source","native_decided_by":"va_atlas","native_evidence":[{"claim":"native","flag":"N","matched_name":"Sorbus americana","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=3539"},{"claim":"native","matched_name":"Sorbus americana","scope":"L48","source":"usda","text":"CAN:N L48:N SPM:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Sorbus americana","scope":"NC","source":"nc_flora","url":"https://auth1.dpr.ncparks.gov/flora/"},{"basis":"native range text in the regional flora","claim":"native","scope":"NC-SC-GA","source":"floraquest_carolinas_georgia","text":"Newfoundland and Labrador (Newfoundland) west to Minnesota and Alberta, south to Pennsylvania, w. North Carolina, e. Tennessee, ne. Georgia, and n. Illinois","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names Georgia","claim":"native","scope":"GA","source":"floraquest_carolinas_georgia","text":"Newfoundland and Labrador (Newfoundland) west to Minnesota and Alberta, south to Pennsylvania, w. North Carolina, e. Tennessee, ne. Georgia, and n. Illinois","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names Tennessee","claim":"native","scope":"TN","source":"floraquest_carolinas_georgia","text":"Newfoundland and Labrador (Newfoundland) west to Minnesota and Alberta, south to Pennsylvania, w. North Carolina, e. Tennessee, ne. Georgia, and n. Illinois","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text in the regional flora","claim":"native","scope":"DC-DE-IL-IN-KY-MD-NJ-NY-OH-PA-VA-WV","source":"floraquest_northern_tier","text":"Newfoundland and Labrador (Newfoundland) west to Minnesota and Alberta, south to Pennsylvania, w. North Carolina, e. Tennessee, ne. Georgia, and n. Illinois","url":"https://fsus.ncbg.unc.edu/"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Sorbus americana","scope":"AL-AR-DC-DE-FL-GA-KY-LA-MD-MS-NC-NJ-PA-SC-TN-VA-WV","source":"weakley_fsus","url":"https://fsus.ncbg.unc.edu/"},{"basis":"Native field of the Northern Tier edition; the state is in its distribution","claim":"native","record_id":3249,"scope":"DC-DE-IL-IN-KY-MD-NJ-NY-OH-PA-VA-WV","source":"floraquest_northern_tier","url":"https://fsus.ncbg.unc.edu/"},{"basis":"NatureServe subnational native or exotic flag for this state","claim":"native","matched_name":"Sorbus americana","scope":"VA","source":"natureserve_explorer","srank":"S5","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.158784/Sorbus_americana"}],"native_explanation":"Digital Atlas of the Virginia Flora (published flora, state claim) gives the value, over a broader claim from a higher tier. Speaks for its own area (GA, GA-NC-SC, NC, TN), not this state: Vascular Plants of North Carolina (NC Natural Heritage Program), Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition.","native_provenance":{"flags":["over_higher_tier"],"source":"va_atlas","specificity":"state","tier":"published_flora"},"native_status":"native_supported","package_native_status":"native_supported","source_ids":["va_atlas:VA:3539"],"source_name":"Sorbus americana","source_refs":["gbif_specimens","natureserve_explorer","va_atlas"],"source_url":"https://vaplantatlas.org/index.php?do=plant&plant=3539","state_rank":"S5"},"source_refs":["gbif_specimens","natureserve_explorer","va_atlas"],"source_url":"https://vaplantatlas.org/index.php?do=plant&plant=3539","state_rank":{"value":"S5"}},"fit_inputs":{"light":[2,4],"moisture":[3,3],"ph":[5.3,6.8]},"fit_provenance":{"counties":"USDA PLANTS: recorded in 12 NC counties","light":"NC Extension Plant Toolbox","moisture":"NC Extension Plant Toolbox","ph":"USDA PLANTS"},"fit_record":{"band":"Strong","condition_evidence":{"light":{"evidence_id":"fact:9590fccff3776eb6b187df0afa4e14342bd2ecc2d83617baaf74afdc245a8ec6","levels":[2,3,4],"policy":"selected-condition-categories-2","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/sorbus-americana/","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:2d9bfbeec9b96746231bec65e3b1b6acf2f549218277bdd8a0eed1571eaf3cae","levels":[3],"policy":"selected-condition-categories-2","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/sorbus-americana/","status":"mapped_selected_fact"}},"county_fips":["13187","13241","13281","13291","37009","37011","37021","37087","37099","37113","37121","37149","37173","37175","37189","37199","47019","47031","47059","47091","47123","47149","47155","47171","51003","51005","51009","51015","51017","51019","51021","51023","51027","51045","51063","51069","51071","51077","51079","51091","51105","51113","51125","51139","51157","51163","51165","51167","51173","51185","51187","51191"],"fit_inputs":{"light":[2,4],"moisture":[3,3],"ph":[5.3,6.8]},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. 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Drought tolerance is defined here in the following fashion: Imagine that in an acre of land there are low areas that have heavy soil and tend to accumulate more soil moisture, and higher areas that have coarse textured soil and tend to accumulate less soil moisture. Some plant species are most frequently found growing in the higher areas with the coarse soil texture. These plant species are considered to be more drought tolerant than the species that are frequently found in the low areas with fine textured soil.","source_url":"http://plants.usda.gov/core/profile?symbol=SOAM3","trait_id":"R133-PK288756712","trait_label":"drought tolerance","value":"low tolerance"},{"citation":"The PLANTS Database, United States Department of Agriculture, National Resources Conservation Service. http://plants.usda.gov/","eol_page":"https://eol.org/pages/242805","field":"moisture_use","method":"","source_url":"http://plants.usda.gov/core/profile?symbol=SOAM3","trait_id":"R133-PK288767031","trait_label":"moisture use","value":"medium"},{"citation":"The PLANTS Database, United States Department of Agriculture, National Resources Conservation Service. http://plants.usda.gov/","eol_page":"https://eol.org/pages/242805","field":"shade_tolerance","method":"","source_url":"http://plants.usda.gov/core/profile?symbol=SOAM3","trait_id":"R133-PK288787226","trait_label":"shade tolerance","value":"medium (normal)"}],"values":{"drought_tolerance":"low tolerance","moisture_use":"medium","shade_tolerance":"medium (normal)"}},"floraquest_carolinas_georgia":{"matched_name":"Sorbus americana","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":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","source_name":"Sorbus americana","source_record_id":3249,"source_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_url":"https://fsus.ncbg.unc.edu/","trait_evidence":[{"field":"habitat_description","source_column":"HabitatText","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":3249,"source_table":"Organism","value":"Moist forests, balds, and rock outcrops, often with Picea , Abies , and/or Betula alleghaniensis , southwards only at high elevations."},{"field":"geographic_range_description","source_column":"Description","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":3249,"source_table":"Organism","value":"Newfoundland and Labrador (Newfoundland) west to Minnesota and Alberta, south to Pennsylvania, w. North Carolina, e. Tennessee, ne. Georgia, and n. 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North Carolina, e. Tennessee, ne. Georgia, and n. Illinois","graphic_key_source_attributes":{"Attr0":"gr14","Attr1":"nc_mt,ga_mt,","Attr10":"6+","Attr11":"pin","Attr12":"unl","Attr13":"to","Attr14":"Bl14,Bl24,Bl9,BlC","Attr15":"lh,wh","Attr16":"n","Attr17":"rad","Attr18":"5","Attr19":"wh","Attr2":"Dry,Moist","Attr20":"y","Attr21":"F2","Attr3":"Part,Shade,Sun","Attr3a":"y","Attr3a_subregion":"native_nc_mt:y,native_ga_mt:y,","Attr4":" 5-8","Attr5":"s,t","Attr6":"n","Attr7":"n","Attr8":"alt","Attr9":"com"},"habitat_description":"Moist forests, balds, and rock outcrops, often with Picea , Abies , and/or Betula alleghaniensis , southwards only at high elevations.","habitat_light_categories":["Partial shade","Full shade","Full sun"],"habitat_moisture_categories":["Dry","Moist"],"heliophily_index":6,"identification_notes":"This small-to-medium tree is showy in most seasons; in the summer its creamy-white corymbs are attractive, the leaves turn a bright orange-red in fall, and the red berries persist well into winter.","phenology_source_text":"Jun-Jul; Sep-Oct (persisting well into winter).","regional_wetland_indicators":[{"source_column":"WetlandStatus1","value":"FAC"},{"source_column":"WetlandStatus3","value":"FAC"},{"source_column":"WetlandStatus4","value":"FACU"}],"taxonomic_synonymy":"[= C, Can, FNA9, G, Il, K1, K4, Mi, NE, NS, NY, Pa, POWO, RAB, S, S13, Tn, W, Jones (1939), McAllister (2005); = Pyrus americana (Marshall) DC. — F, WV]"}},"minnesota_wildflowers":{"matched_name":"Sorbus americana","retrieved":"2026-10-04T02:40:35.192008+00:00","scope":{"kind":"unspecified"},"scope_note":"Source-reported species characteristics; not a location-specific estimate.","source_label":"Minnesota Wildflowers","source_sha256":"980ee3a74103eef730c555d13e0f4ea6b355a0983df74c8ac7416086462f2b9b","source_url":"https://www.minnesotawildflowers.info/tree/american-mountain-ash","trait_evidence":[{"expected_source_name":"Sorbus americana","field":"life_cycle","original_field":"life_cycle","record_id":"trait:2f5853f3263ec8c55117df54366f97d289222f6ef1dce7a72fd97f1aa60ea9d3","retrieved_at":"2026-10-04T02:40:35.192008+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; 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not a location-specific estimate.","source_label":"NC Extension Plant Toolbox","source_sha256":"3f8a60c4d4be8552da40d9a43f69b57ea6f730b101a30cf987af65042809a691","source_url":"https://plants.ces.ncsu.edu/plants/sorbus-americana/","trait_evidence":[{"expected_source_name":"Sorbus americana","field":"spread_description","original_field":"spread","record_id":"trait:2866890f70d8353aefc2744a34095cea628ee6987fcc538a1413635234e175cb","retrieved_at":"2026-10-04T02:45:33.956360+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":"Sorbus americana","source_sha256":"3f8a60c4d4be8552da40d9a43f69b57ea6f730b101a30cf987af65042809a691","source_url":"https://plants.ces.ncsu.edu/plants/sorbus-americana/","status":"eligible_fact","taxon_id":"taxon:6fe9de49-1438-5868-b86f-7dcec39c1387","value":{"max":20,"min":8,"unit":"feet"}},{"expected_source_name":"Sorbus americana","field":"soil_ph_categories","original_field":"soil_ph","record_id":"trait:3cfa62a2ab0a538a78129547f45a013589790c613607cb242449ebf804450101","retrieved_at":"2026-10-04T02:45:33.956360+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":"Sorbus americana","source_sha256":"3f8a60c4d4be8552da40d9a43f69b57ea6f730b101a30cf987af65042809a691","source_url":"https://plants.ces.ncsu.edu/plants/sorbus-americana/","status":"eligible_fact","taxon_id":"taxon:6fe9de49-1438-5868-b86f-7dcec39c1387","value":["Acid (<6.0)"]},{"expected_source_name":"Sorbus americana","field":"light","original_field":"light","record_id":"trait:423b22f2f6a7f5f302b553bef0f1a12c51f89a625cefe06b8a60d8eea6a80a61","retrieved_at":"2026-10-04T02:45:33.956360+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":"Sorbus americana","source_sha256":"3f8a60c4d4be8552da40d9a43f69b57ea6f730b101a30cf987af65042809a691","source_url":"https://plants.ces.ncsu.edu/plants/sorbus-americana/","status":"eligible_fact","taxon_id":"taxon:6fe9de49-1438-5868-b86f-7dcec39c1387","value":["Full sun (6 or more hours of direct sunlight a day)","Partial Shade (Direct sunlight only part of the day, 2-6 hours)"]},{"expected_source_name":"Sorbus americana","field":"height_description","original_field":"height","record_id":"trait:4bf93e1cba90e15ee452ee70f4f92bcf5911de0bf3f2d0f0a67d3a40d1c5850b","retrieved_at":"2026-10-04T02:45:33.956360+00:00","scope":{"kind":"unspecified"},"scope_note":"Species profile; 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distribution and native-status discovery filters do not establish local growing or bloom timing.","source":"ncsu","source_name":"Sorbus americana","source_sha256":"3f8a60c4d4be8552da40d9a43f69b57ea6f730b101a30cf987af65042809a691","source_url":"https://plants.ces.ncsu.edu/plants/sorbus-americana/","status":"eligible_fact","taxon_id":"taxon:6fe9de49-1438-5868-b86f-7dcec39c1387","value":["Perennial","Woody"]},{"expected_source_name":"Sorbus americana","field":"leaf_habit","original_field":"leaf_habit","record_id":"trait:c5c4bb6dd2847c4b13689137e92735cdb248053d12b064e7385585d76991afc2","retrieved_at":"2026-10-04T02:45:33.956360+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":"Sorbus americana","source_sha256":"3f8a60c4d4be8552da40d9a43f69b57ea6f730b101a30cf987af65042809a691","source_url":"https://plants.ces.ncsu.edu/plants/sorbus-americana/","status":"eligible_fact","taxon_id":"taxon:6fe9de49-1438-5868-b86f-7dcec39c1387","value":["Deciduous"]},{"expected_source_name":"Sorbus americana","field":"hardiness_zones","original_field":"hardiness","record_id":"trait:ef7bc2a4a28f40b0bd29fadbd209cf599df822d1e53f8e469c7bedc6e745584e","retrieved_at":"2026-10-04T02:45:33.956360+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":"Sorbus americana","source_sha256":"3f8a60c4d4be8552da40d9a43f69b57ea6f730b101a30cf987af65042809a691","source_url":"https://plants.ces.ncsu.edu/plants/sorbus-americana/","status":"eligible_fact","taxon_id":"taxon:6fe9de49-1438-5868-b86f-7dcec39c1387","value":["2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b"]},{"expected_source_name":"Sorbus americana","field":"flower_color","original_field":"flower_color","record_id":"trait:f8c1a621e41b3fd40c4d1c14366833575ab2c508fcb0452a06502151b8e97b6a","retrieved_at":"2026-10-04T02:45:33.956360+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":"Sorbus americana","source_sha256":"3f8a60c4d4be8552da40d9a43f69b57ea6f730b101a30cf987af65042809a691","source_url":"https://plants.ces.ncsu.edu/plants/sorbus-americana/","status":"eligible_fact","taxon_id":"taxon:6fe9de49-1438-5868-b86f-7dcec39c1387","value":["White"]}],"values":{"flower_color":["White"],"hardiness_zones":["2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b"],"height_description":"15–35 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"],"soil_ph_categories":["Acid (<6.0)"],"spread_description":"8–20 feet"}},"usda":{"matched_name":"Sorbus americana","retrieved":"2026-09-24","scope":"Nationwide species characteristics; 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North Carolina, e. Tennessee, ne. Georgia, and n. Illinois","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names Georgia","claim":"native","scope":"GA","source":"floraquest_carolinas_georgia","text":"Newfoundland and Labrador (Newfoundland) west to Minnesota and Alberta, south to Pennsylvania, w. North Carolina, e. Tennessee, ne. Georgia, and n. Illinois","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names Tennessee","claim":"native","scope":"TN","source":"floraquest_carolinas_georgia","text":"Newfoundland and Labrador (Newfoundland) west to Minnesota and Alberta, south to Pennsylvania, w. North Carolina, e. Tennessee, ne. Georgia, and n. Illinois","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text in the regional flora","claim":"native","scope":"DC-DE-IL-IN-KY-MD-NJ-NY-OH-PA-VA-WV","source":"floraquest_northern_tier","text":"Newfoundland and Labrador (Newfoundland) west to Minnesota and Alberta, south to Pennsylvania, w. North Carolina, e. Tennessee, ne. Georgia, and n. 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