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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":0.303970223325062,"caterpillars":0.17307692307692307,"specialists":0.4323821339950372,"structure":0.5},"rank_pct":0.031,"raw":{"bees":0,"birds":0,"caterpillars":0,"genus_used":null,"specialists":0,"structure":["Forb/herb"]}},"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":8,"scoring_inputs":{"harm_penalty":0,"invasive":false,"invasive_rank":null,"native":true,"state_rank":"S4"},"source_ids":["lep_va","globi","bigbee","avian","usdahabit","robertson","antseed"],"status":"scored_provisional","version":"shared-0.6.5"},"condition_evidence":{"light":{"broad_range_note":{"review_status":"source_recorded","source_label":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","source_url":"https://fsus.ncbg.unc.edu/","text":"Selected source categories span deep shade to full sun; broad tolerance is source-recorded, not independently verified."},"evidence_id":"fact:b803367d75930e1a2bd6e9bcc31bca1c24316820914e202565511c5fa0f4173f","levels":[0,1,2,3,4],"policy":"selected-condition-categories-2","range":[0,4],"scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"semantics":"documented_native_habitat_conditions","source_field":"habitat_light_categories","source_label":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","source_url":"https://fsus.ncbg.unc.edu/","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:c07fcc208515f7a219b515d8bf456d18310161654c010b27a1139e0fc4c1fbfc","levels":[0,3],"policy":"selected-condition-categories-2","range":[0,3],"scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"semantics":"documented_native_habitat_conditions","source_field":"habitat_moisture_categories","source_label":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","source_url":"https://fsus.ncbg.unc.edu/","status":"mapped_selected_fact"},"ph":{"basis":["Bound printed by the source; open end from USDA NRCS soil reaction classes"],"categories":["Acidic (pH<6.8)"],"evidence_id":"fact:68c68a0d69f77455b00e725b5e7cfc6a098e9a97ec23338de05bff08abe15123","policy":"soil-ph-categories-1","range":[4.5,6.8],"scope":{"kind":"unspecified"},"semantics":"source_characteristic","source_field":"soil_ph_categories","source_label":"Lady Bird Johnson Wildflower Center","source_url":"https://www.wildflower.org/plants/result.php?id_plant=WOIL","status":"mapped_selected_fact"}},"evidence":{"fit_score":null,"growth_habit":["Forb/herb"],"invasive_status":{"status":"unresolved"},"native_status":{"status":"native_supported"},"occurrence":{"county_fips":["51005","51015","51017","51023","51035","51045","51063","51069","51071","51077","51079","51091","51113","51125","51139","51141","51155","51157","51163","51165","51171","51173","51187"],"meaning":"Recorded occurrence; not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["51005","51015","51017","51023","51035","51045","51063","51069","51071","51077","51079","51091","51113","51125","51139","51141","51155","51157","51163","51165","51171","51173","51187"],"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":"Woodsia ilvensis","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=970"},{"claim":"native","matched_name":"Woodsia ilvensis","scope":"L48","source":"usda","text":"AK:N CAN:N GL:N L48:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Woodsia ilvensis","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":"Circumboreal, ranging in North America from Newfoundland and Labrador (Newfoundland) and Alaska south to Virginia, nw. 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Iowa, Saskatchewan, and British Columbia.","graphic_key_source_attributes":{"Attr0":"gr01","Attr1":"nc_mt,","Attr10":"cup,ring,rou","Attr11":"n","Attr2":"Dry,Moist","Attr3":"Part,Shade,Sun","Attr3a":"y","Attr3a_subregion":"native_nc_mt:y,","Attr4":" 5-10","Attr5":"petr","Attr6":"1B15","Attr7":"n","Attr8":"2-4div","Attr9":"rou"},"habitat_description":"Cliffs of amphibolite, greenstone, other rocks.","habitat_light_categories":["Partial shade","Full shade","Full sun"],"habitat_moisture_categories":["Dry","Moist"],"heliophily_index":6,"phenology_source_text":"Jun-Sep.","taxonomic_synonymy":"[= C, Can, F, FNA2, G, GrPl, Il, K1, K4, NE, NS, NY, Pa, POWO, RAB, S13, Sf, Va, W, WV, ZALT, Lin et al (2013), Lu et al (2020), Shmakov (2015); Acrostichum ilvense L.]"}},"minnesota_wildflowers":{"matched_name":"Woodsia ilvensis","retrieved":"2026-10-04T02:42:32.603730+00:00","scope":{"kind":"unspecified"},"scope_note":"Source-reported species characteristics; not a location-specific estimate.","source_label":"Minnesota Wildflowers","source_sha256":"ec780c35ab82317bf5c5b9fef521f556814622ccd618f1c98ef27c20e9c3c842","source_url":"https://www.minnesotawildflowers.info/fern/rusty-woodsia","trait_evidence":[{"expected_source_name":"Woodsia ilvensis","field":"height_description","original_field":"height","record_id":"trait:5064d42cbb946f6e0d8ae8a7c9d90e2034d5db4c5fe86a1391d31f353200dad1","retrieved_at":"2026-10-04T02:42:32.603730+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":"wildflower","source_name":"Woodsia ilvensis","source_sha256":"30421178c2b037237e987bc1fb49e767100859964249afd5479fdb5c21fb35f8","source_url":"https://www.wildflower.org/plants/result.php?id_plant=WOIL","status":"eligible_fact","taxon_id":"taxon:96134c86-2084-51b7-82fe-1587ab8083aa","value":["Sun"]},{"expected_source_name":"Woodsia ilvensis","field":"flower_color","original_field":"flower_color","record_id":"trait:ed91043365a90e734d7e6f92e267d45d4787a9ade90ed65dd805c5f286059c29","retrieved_at":"2026-10-05T20:12:28.134817+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":"Woodsia ilvensis","source_sha256":"30421178c2b037237e987bc1fb49e767100859964249afd5479fdb5c21fb35f8","source_url":"https://www.wildflower.org/plants/result.php?id_plant=WOIL","status":"eligible_fact","taxon_id":"taxon:96134c86-2084-51b7-82fe-1587ab8083aa","value":["Not Applicable"]}],"values":{"flower_color":["Not Applicable"],"leaf_habit":["Evergreen"],"life_cycle":["Perennial"],"light":["Sun"],"soil_ph_categories":["Acidic (pH<6.8)"]}}},"light_range":["deep shade","full sun"],"light_source":"Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition","native_synthesis":{"claims":[{"claim":"native","flag":"N","matched_name":"Woodsia ilvensis","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=970"},{"claim":"native","matched_name":"Woodsia ilvensis","scope":"L48","source":"usda","text":"AK:N CAN:N GL:N L48:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Woodsia ilvensis","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":"Circumboreal, ranging in North America from Newfoundland and Labrador (Newfoundland) and Alaska south to Virginia, nw. North Carolina, Ohio, n. Illinois, nw. Iowa, Saskatchewan, and British Columbia.","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":"Circumboreal, ranging in North America from Newfoundland and Labrador (Newfoundland) and Alaska south to Virginia, nw. North Carolina, Ohio, n. Illinois, nw. Iowa, Saskatchewan, and British Columbia.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"native range text names Virginia","claim":"native","scope":"VA","source":"floraquest_northern_tier","text":"Circumboreal, ranging in North America from Newfoundland and Labrador (Newfoundland) and Alaska south to Virginia, nw. North Carolina, Ohio, n. Illinois, nw. Iowa, Saskatchewan, and British Columbia.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"species account without the alien asterisk","claim":"native_distribution","matched_name":"Woodsia ilvensis","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":198,"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":"Woodsia ilvensis","scope":"VA","source":"natureserve_explorer","srank":"S4","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.161756/Woodsia_ilvensis"}],"county_native_range":"unresolved","decided_by":"va_atlas","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-NC-SC, NC), not this state: Vascular Plants of North Carolina (NC Natural Heritage Program), Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition.","label":"Native to Virginia (state-specific source)","provenance":{"flags":["over_higher_tier"],"source":"va_atlas","specificity":"state","tier":"published_flora"},"rule":"fact-hierarchy-2","status":"native_supported"},"source_name":"Woodsia ilvensis","taxon_id":"taxon:96134c86-2084-51b7-82fe-1587ab8083aa","revision":"publish:cdb975f5-333c-4482-92bd-514ef43ee9c3","photos":[]}