{"assessment":{"band":"Strong","factor_identity":{"basis":"source accepted identity; genus-level evidence","growth_habit_source":"USDA PLANTS","name_used":"Betula papyrifera"},"factor_scopes":{"bees":"Southeastern North America","birds":"North America","caterpillars":"Host genera of native Lepidoptera with established West Virginia range; association and range overlap, not confirmed local feeding.","specialists":"Eastern North America","structure":"USDA species growth habit where matched; otherwise sourced atlas growth habit"},"factors":{"applied_insect_credit":0,"baseline_score":74,"composite":0.809,"insect_support":{"credit":0,"groups":{"ants":{"credit":0,"flower_visits":[],"label":"Ants","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"},"beetles":{"credit":0,"flower_visits":[],"label":"Beetles","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"},"flies":{"credit":0,"flower_visits":[],"label":"Flies","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"},"moths_butterflies":{"credit":0,"flower_visits":[],"label":"Adult butterflies / moths","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"},"other_hymenoptera":{"credit":0,"flower_visits":[],"label":"Other wasps","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"},"other_insects":{"credit":0,"flower_visits":[],"label":"Other insects","recorded_name_count":null,"recorded_names":[],"seed_interactions":[],"status":"unknown"}},"interpretation":"One provisional point per additional documented insect group, capped at five. 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":0.5272952853598015,"birds":0.9013647642679901,"caterpillars":0.9962779156327544,"specialists":0.4323821339950372,"structure":1},"rank_pct":0.802,"raw":{"bees":1,"birds":8,"caterpillars":289,"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":74,"scoring_inputs":{"harm_penalty":0,"invasive":false,"invasive_rank":null,"native":true,"state_rank":"S2"},"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":["54071","54093"],"meaning":"Recorded occurrence; not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["54071","54093"],"growth_habit":null,"growth_habit_source":null,"invasive":null,"invasive_evidence":[],"invasive_rank":null,"native":true,"native_basis":"state_source","native_decided_by":"floraquest_northern_tier","native_evidence":[{"claim":"native","matched_name":"Betula papyrifera","scope":"L48","source":"usda","text":"AK:N CAN:N L48:N SPM:N","url":"https://plants.usda.gov/"},{"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), Newfoundland and Labrador (Labrador) and Alaska, south to New Jersey, West Virginia (Vanderhorst et al. 2019), w. Virginia, Ohio, Indiana, Illinois, Iowa, Nebraska, Colorado, and British Columbia.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names West Virginia","claim":"native","scope":"WV","source":"floraquest_northern_tier","text":"Newfoundland and Labrador (Newfoundland), Newfoundland and Labrador (Labrador) and Alaska, south to New Jersey, West Virginia (Vanderhorst et al. 2019), w. Virginia, Ohio, Indiana, Illinois, Iowa, Nebraska, Colorado, and British Columbia.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Betula papyrifera","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":3397,"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":"Betula papyrifera","scope":"WV","source":"natureserve_explorer","srank":"S2","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.952179/Betula_papyrifera"}],"native_explanation":"Weakley, Flora of the Southeastern United States (2025), Northern Tier edition (published flora, state claim) gives the value, over a broader claim from a higher tier.","native_provenance":{"flags":["over_higher_tier"],"source":"floraquest_northern_tier","specificity":"state","tier":"published_flora"},"native_status":"native_supported","package_native_status":"native_supported","source_ids":["natureserve_explorer:WV:ELEMENT_GLOBAL.2.952179"],"source_name":"Betula papyrifera","source_refs":["gbif_specimens","natureserve_explorer"],"source_url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.952179","state_rank":"S2"},"source_refs":["gbif_specimens","natureserve_explorer"],"source_url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.952179","state_rank":{"value":"S2"}},"fit_inputs":{"light":[3,4],"moisture":[1,2],"ph":[4.2,7.4]},"fit_provenance":{"light":"Niinemets & Valladares 2006 shade tolerance 1.54/5","moisture":"USACE wetland occurrence proxy (EMP)","ph":"USDA PLANTS"},"fit_record":{"band":"Strong","condition_evidence":{},"county_fips":["45031","51003","51015","51019","51091","51107","51121","51139","51157","51163","51165","54071","54093"],"fit_inputs":{"light":[3,4],"moisture":[1,2],"ph":[4.2,7.4]},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. Missing source traits remain unknown.","fit_provenance":{"light":"Niinemets & Valladares 2006 shade tolerance 1.54/5","moisture":"USACE wetland occurrence proxy (EMP)","ph":"USDA PLANTS"},"garden_suitability":{"default_excluded":true,"flags":[{"code":"conservation_caution","default_excluded":true,"label":"Rare or protected plant","message":"Specialist conservation planting; excluded from routine garden suggestions.","records":[{"name":"Betula papyrifera","rank":"S2","source":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.952179","state":"WV"}],"source":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.952179"}],"review_status":"reviewed","suggestions_excluded":true},"invasive_rank":false,"native_eligible":true,"quercus_score":74,"state":"WV"},"garden_suitability":{"default_excluded":true,"flags":[{"code":"conservation_caution","default_excluded":true,"label":"Rare or protected plant","message":"Specialist conservation planting; excluded from routine garden suggestions.","records":[{"name":"Betula papyrifera","rank":"S2","source":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.952179","state":"WV"}],"source":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.952179"}],"review_status":"reviewed","suggestions_excluded":true},"growing_observations":{"botanical_review_primary_flower_color":{"matched_name":"Betula papyrifera","review_decision":{"reason":"Single consistent flower-color category across the main reference sources; normalization of existing observations, not a fresh anatomical verification.","sources":["betula-papyrifera--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":70004,"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":"Betula papyrifera","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":70004,"values":{"bloom_season":"Mid Spring","flower_color":"Yellow","foliage_color":"Green","fruit_season_begin":"Summer","fruit_season_end":"Summer","growth_architecture":"Single Stem","growth_rate":"Rapid","height_ft":70,"leaf_retention":"No"}}},"native_synthesis":{"claims":[{"claim":"native","matched_name":"Betula papyrifera","scope":"L48","source":"usda","text":"AK:N CAN:N L48:N SPM:N","url":"https://plants.usda.gov/"},{"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), Newfoundland and Labrador (Labrador) and Alaska, south to New Jersey, West Virginia (Vanderhorst et al. 2019), w. Virginia, Ohio, Indiana, Illinois, Iowa, Nebraska, Colorado, and British Columbia.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names West Virginia","claim":"native","scope":"WV","source":"floraquest_northern_tier","text":"Newfoundland and Labrador (Newfoundland), Newfoundland and Labrador (Labrador) and Alaska, south to New Jersey, West Virginia (Vanderhorst et al. 2019), w. Virginia, Ohio, Indiana, Illinois, Iowa, Nebraska, Colorado, and British Columbia.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Betula papyrifera","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":3397,"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":"Betula papyrifera","scope":"WV","source":"natureserve_explorer","srank":"S2","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.952179/Betula_papyrifera"}],"county_native_range":"unresolved","decided_by":"floraquest_northern_tier","explanation":"Weakley, Flora of the Southeastern United States (2025), Northern Tier edition (published flora, state claim) gives the value, over a broader claim from a higher tier.","label":"Native to West Virginia (state-specific source)","provenance":{"flags":["over_higher_tier"],"source":"floraquest_northern_tier","specificity":"state","tier":"published_flora"},"rule":"fact-hierarchy-2","status":"native_supported"},"source_name":"Betula papyrifera","taxon_id":"taxon:36e951b6-ac82-591a-8ba6-dd840d5cbcdf","revision":"publish:d412fcf4-883a-4c06-b542-542693807821","photos":[]}