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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":0.6358560794044665,"birds":0.303970223325062,"caterpillars":0.9813895781637717,"specialists":0.4323821339950372,"structure":1},"rank_pct":0.733,"raw":{"bees":3,"birds":0,"caterpillars":139,"genus_used":null,"specialists":0,"structure":["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 West Virginia host-range and shared ecological evidence.","reference":"NC native reference cohort, method 0.6.4; not a West Virginia percentile","score":68,"scoring_inputs":{"harm_penalty":0,"invasive":false,"invasive_rank":null,"native":true,"state_rank":"S5"},"source_ids":["lep_wv","globi","bigbee","avian","usdahabit","robertson","antseed"],"status":"scored_provisional","version":"shared-0.6.5"},"condition_evidence":{},"evidence":{"fit_score":null,"growth_habit":null,"invasive_status":{"status":"unresolved"},"native_status":{"status":"native_supported"},"occurrence":{"county_fips":["54027","54033","54061","54071","54083","54085","54103","54105"],"meaning":"Recorded occurrence; not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["54027","54033","54061","54071","54083","54085","54103","54105"],"growth_habit":null,"growth_habit_source":null,"invasive":null,"invasive_evidence":[],"invasive_rank":null,"native":true,"native_basis":"state_source","native_decided_by":"floraquest_florida","native_evidence":[{"claim":"native","matched_name":"Tilia americana var. heterophylla","scope":"L48","source":"usda","text":"CAN:I L48:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Tilia americana var. heterophylla","scope":"NC","source":"nc_flora","url":"https://auth1.dpr.ncparks.gov/flora/"},{"basis":"native range text names West Virginia","claim":"native","scope":"WV","source":"floraquest_florida","text":"Centered in the Southern Appalachians: sw. Pennsylvania and West Virginia south to c. North Carolina, wc. Georgia, Florida Panhandle, and westward as disjunct populations to the Ozarkian Highlands of s. Missouri and n. Arkansas.","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":"Centered in the Southern Appalachians: sw. Pennsylvania and West Virginia south to c. North Carolina, wc. Georgia, Florida Panhandle, and westward as disjunct populations to the Ozarkian Highlands of s. Missouri and n. Arkansas.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names West Virginia","claim":"native","scope":"WV","source":"floraquest_northern_tier","text":"Centered in the Southern Appalachians: sw. Pennsylvania and West Virginia south to c. North Carolina, wc. Georgia, Florida Panhandle, and westward as disjunct populations to the Ozarkian Highlands of s. Missouri and n. Arkansas.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Tilia americana var. heterophylla","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":3913,"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":"Tilia americana var. heterophylla","scope":"WV","source":"natureserve_explorer","srank":"S5","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.157103/Tilia_americana_var_heterophylla"}],"native_explanation":"Weakley, Flora of the Southeastern United States (2025), Florida edition (published flora, state claim) gives the value, over a broader claim from a higher tier. Speaks for its own area (NC), not this state: Vascular Plants of North Carolina (NC Natural Heritage Program).","native_provenance":{"flags":["over_higher_tier"],"source":"floraquest_florida","specificity":"state","tier":"published_flora"},"native_status":"native_supported","package_native_status":"native_supported","source_ids":["natureserve_explorer:WV:ELEMENT_GLOBAL.2.157103"],"source_name":"Tilia americana var. heterophylla","source_refs":["gbif_specimens","natureserve_explorer"],"source_url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.157103","state_rank":"S5"},"source_refs":["gbif_specimens","natureserve_explorer"],"source_url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.157103","state_rank":{"value":"S5"}},"fit_inputs":{"light":[1,3],"moisture":null,"ph":[5,6.6]},"fit_provenance":{"light":"USDA PLANTS shade class 'Low', read inverted (coarse)","moisture":"unknown: no matched indicator","ph":"USDA PLANTS"},"fit_record":{"band":"Strong","condition_evidence":{},"county_fips":["01001","01009","01011","01015","01017","01019","01025","01029","01037","01041","01043","01047","01051","01055","01057","01059","01061","01067","01069","01071","01079","01081","01085","01089","01093","01101","01109","01113","01115","01117","01125","01131","01133","05051","05101","05115","05141","12039","12063","12065","12073","12077","12129","13015","13105","13115","13291","13293","22045","22113","28121","28141","51007","51009","51015","51019","51023","51029","51031","51043","51045","51051","51059","51061","51063","51069","51071","51075","51077","51087","51093","51107","51117","51121","51125","51135","51137","51143","51155","51161","51163","51165","51169","51171","51173","51177","51181","51185","51187","51195","51197","51680","54027","54033","54061","54071","54083","54085","54103","54105"],"fit_inputs":{"light":[1,3],"moisture":null,"ph":[5,6.6]},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. Missing source traits remain unknown.","fit_provenance":{"light":"USDA PLANTS shade class 'Low', read inverted (coarse)","moisture":"unknown: no matched indicator","ph":"USDA PLANTS"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed","suggestions_excluded":false},"invasive_rank":false,"native_eligible":true,"quercus_score":68,"state":"WV"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed","suggestions_excluded":false},"growing_observations":{"botanical_review_primary_flower_color":{"matched_name":"Tilia americana var. heterophylla","review_decision":{"reason":"Single consistent flower-color category across the main reference sources; normalization of existing observations, not a fresh anatomical verification.","sources":["tilia-americana-var-heterophylla--usda"],"status":"source_recorded","value":"yellow"},"review_note":"Single consistent flower-color category across the main reference sources; normalization of existing observations, not a fresh anatomical verification.","review_sources":[{"approved_for_correction":true,"evidence_kind":"existing_structured_source_observation","excerpt":"{\"flower_color\": \"Yellow\"}","retrieved":"2026-09-24","sha256":null,"source_record_id":66751,"title":"USDA PLANTS","url":"https://plants.usda.gov/"}],"review_status":"source_recorded","source_label":"USDA PLANTS","source_url":"https://plants.usda.gov/","values":{"primary_flower_color":"yellow"}},"usda":{"matched_name":"Tilia americana var. heterophylla","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":66751,"values":{"bloom_season":"Early Summer","flower_color":"Yellow","foliage_color":"Green","fruit_season_begin":"Summer","fruit_season_end":"Fall","growth_architecture":"Single Stem","growth_rate":"Moderate","height_ft":90,"leaf_retention":"No"}}},"native_synthesis":{"claims":[{"claim":"native","matched_name":"Tilia americana var. heterophylla","scope":"L48","source":"usda","text":"CAN:I L48:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Tilia americana var. heterophylla","scope":"NC","source":"nc_flora","url":"https://auth1.dpr.ncparks.gov/flora/"},{"basis":"native range text names West Virginia","claim":"native","scope":"WV","source":"floraquest_florida","text":"Centered in the Southern Appalachians: sw. Pennsylvania and West Virginia south to c. North Carolina, wc. Georgia, Florida Panhandle, and westward as disjunct populations to the Ozarkian Highlands of s. Missouri and n. Arkansas.","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":"Centered in the Southern Appalachians: sw. Pennsylvania and West Virginia south to c. North Carolina, wc. Georgia, Florida Panhandle, and westward as disjunct populations to the Ozarkian Highlands of s. Missouri and n. Arkansas.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names West Virginia","claim":"native","scope":"WV","source":"floraquest_northern_tier","text":"Centered in the Southern Appalachians: sw. Pennsylvania and West Virginia south to c. North Carolina, wc. Georgia, Florida Panhandle, and westward as disjunct populations to the Ozarkian Highlands of s. Missouri and n. Arkansas.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Tilia americana var. heterophylla","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":3913,"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":"Tilia americana var. heterophylla","scope":"WV","source":"natureserve_explorer","srank":"S5","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.157103/Tilia_americana_var_heterophylla"}],"county_native_range":"unresolved","decided_by":"floraquest_florida","explanation":"Weakley, Flora of the Southeastern United States (2025), Florida edition (published flora, state claim) gives the value, over a broader claim from a higher tier. Speaks for its own area (NC), not this state: Vascular Plants of North Carolina (NC Natural Heritage Program).","label":"Native to West Virginia (state-specific source)","provenance":{"flags":["over_higher_tier"],"source":"floraquest_florida","specificity":"state","tier":"published_flora"},"rule":"fact-hierarchy-2","status":"native_supported"},"source_name":"Tilia americana var. heterophylla","taxon_id":"taxon:ae30148a-1769-55a1-b7fb-a8d4f79b16a1","revision":"publish:d412fcf4-883a-4c06-b542-542693807821","photos":[{"id":"inat-69433081","src":"/api/photos/image/3861cb310fd7a682bf096764343c8a9685a683725fb7ddb0c30e18e484de6e19.jpg","view":"reference","alt":"Tilia americana var. heterophylla photograph","width":375,"height":500,"artist":"Alan Weakley","license":"CC0","license_url":"https://creativecommons.org/publicdomain/zero/1.0/","source_url":"https://www.inaturalist.org/photos/69433081","changes":"iNaturalist medium image; no additional crop, retouching, or re-encoding.","kind":"photo"}]}