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Flower visits are a resource-use proxy, not confirmed feeding or pollination. Missing evidence is unknown. 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not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["45015","45031","45043"],"growth_habit":"forb","growth_habit_source":"tnky_atlas","invasive":null,"invasive_evidence":[],"invasive_rank":null,"native":true,"native_evidence":[{"claim":"native","matched_name":"Silphium asteriscus var. asteriscus","scope":"TN-KY","source":"tnky_atlas","url":"https://tennessee-kentucky.plantatlas.usf.edu/plant/species/3054"},{"claim":"native","matched_name":"Silphium asteriscus var. asteriscus","scope":"L48","source":"usda","text":"L48:N","url":"https://plants.usda.gov/"},{"claim":"native","matched_name":"Silphium asteriscus var. asteriscus","scope":"NC","source":"nc_flora","url":"https://auth1.dpr.ncparks.gov/flora/"}],"native_status":"native_inferred","source_ids":["sernec:101386"],"source_name":"Silphium asteriscus var. asteriscus","source_refs":["SC-checklist-2.html","sernec_county"],"source_url":"https://sernecportal.org/portal/checklists/checklist.php?pagenumber=2&clid=3141&dynclid=0&pid=84&searchsynonyms=1","state_rank":null},"source_refs":["SC-checklist-2.html","sernec_county"],"source_url":"https://sernecportal.org/portal/checklists/checklist.php?pagenumber=2&clid=3141&dynclid=0&pid=84&searchsynonyms=1","state_rank":{"value":null}},"fit_inputs":{"light":[2,4],"moisture":[0,3],"ph":null},"fit_provenance":{"light":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","moisture":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)"},"fit_record":{"band":"Strong","condition_evidence":{"light":{"evidence_id":"fact:e2d4969522dc91c348656364134ce230af72a9f15d1aa1bbe463ddc7605f9790","levels":[2,3,4],"policy":"selected-condition-categories-1","range":[2,4],"scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"semantics":"documented_native_habitat_conditions","source_field":"habitat_light_categories","source_label":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","source_url":"https://play.google.com/store/apps/details?id=com.emountainworks.android.southeastfieldguide","status":"mapped_selected_fact"},"moisture":{"evidence_id":"fact:2e9b3f9f1ef9d22841a98eaf746f143638c0d97f6c30c28f5b134ad2b1ba4904","levels":[0,3],"policy":"selected-condition-categories-1","range":[0,3],"scope":{"kind":"region","region_id":"floraquest_nc_sc_ga"},"semantics":"documented_native_habitat_conditions","source_field":"habitat_moisture_categories","source_label":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","source_url":"https://play.google.com/store/apps/details?id=com.emountainworks.android.southeastfieldguide","status":"mapped_selected_fact"}},"county_fips":["13027","13053","13213","13295","13313","45015","45031","45043","47065"],"fit_inputs":{"light":[2,4],"moisture":[0,3],"ph":null},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. Missing source traits remain unknown.","fit_provenance":{"light":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","moisture":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed"},"invasive_rank":false,"native_eligible":true,"quercus_score":51,"state":"SC"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed"},"growing_observations":{"floraquest_carolinas_georgia":{"matched_name":"Silphium asteriscus var. asteriscus","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":"FloraQuest: Carolinas, Georgia (Southeastern Flora Team)","source_name":"Silphium asteriscus var. asteriscus","source_record_id":6345,"source_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_url":"https://play.google.com/store/apps/details?id=com.emountainworks.android.southeastfieldguide","trait_evidence":[{"field":"habitat_description","source_column":"HabitatText","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":6345,"source_table":"Organism","value":"Woodlands, roadsides."},{"field":"geographic_range_description","source_column":"Description","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":6345,"source_table":"Organism","value":"North Carolina, South Carolina, s. Virginia, e. Tennessee and e. Kentucky."},{"field":"phenology_source_text","source_column":"Phenology","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":6345,"source_table":"Organism","value":"Jul-Sep."},{"field":"taxonomic_synonymy","source_column":"Synonymy","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":6345,"source_table":"Organism","value":"[= POWO; = Silphium asteriscus L. — Tn, Perry (1937); Silphium asteriscus L. — F, Fl7, G, NSProv, Va, W, WH3; > Silphium asteriscus L. — RAB, S; Silphium asteriscus L. var. asteriscus — C, FNA21, K1, K4; > Silphium asteriscus L. var. asteriscus — NS, SE1; > Silphium asteriscus L. var. scabrum Nuttall — SE1; ?> Silphium dentatum Elliott var. gatesii (Mohr) H.E.Ahles — RAB; > Silphium scaberrimum Elliott — NS, S]"},{"field":"botanical_comments","source_column":"Comments","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":6345,"source_table":"Organism","value":"S. asteriscus var. asteriscus , in this narrow sense, is a taxon primarily found from the Appalachian Mountains eastward. Most records west of the Appalachian Mountains are generally referable to S. asperrimum , S. radula , or S. asteriscus var. latifolium ."},{"field":"heliophily_index","source_column":"HIndex","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":6345,"source_table":"Organism","value":7},{"field":"habitat_moisture_categories","source_column":"Attr2","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":6345,"source_table":"GraphicKey","value":["Dry","Moist"]},{"field":"habitat_light_categories","source_column":"Attr3","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":6345,"source_table":"GraphicKey","value":["Partial shade","Full sun"]},{"field":"graphic_key_source_attributes","source_column":"Attr0..25","source_database_sha256":"684f6b364ff9f3023aa61ed02ae50f6f6d6d4d3bcf76847b78ab769ae0453469","source_record_id":6345,"source_table":"GraphicKey","value":{"Attr0":"gr08","Attr1":"nc_cp,nc_mt,nc_pd,sc_cp,sc_pd,","Attr10":"en,to","Attr11":"bo","Attr12":"ye","Attr13":"ye","Attr14":"none,scal","Attr2":"Dry,Moist","Attr3":"Part,Sun","Attr3a":"y","Attr3a_subregion":"native_nc_cp:y,native_nc_mt:y,native_nc_pd:y,native_sc_cp:y,native_sc_pd:y,","Attr4":" 6-10","Attr5":"gl,pu","Attr6":"n","Attr7":"n","Attr8":"alt,opp","Attr9":"si"}}],"values":{"botanical_comments":"S. asteriscus var. asteriscus , in this narrow sense, is a taxon primarily found from the Appalachian Mountains eastward. Most records west of the Appalachian Mountains are generally referable to S. asperrimum , S. radula , or S. asteriscus var. latifolium .","geographic_range_description":"North Carolina, South Carolina, s. Virginia, e. Tennessee and e. 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State occurrence alone does not establish nativity; combined regional evidence is labeled estimated.","label":"Native to South Carolina (estimated from combined sources)","rule":"southeast-native-synthesis-1","status":"native_inferred"},"source_name":"Silphium asteriscus var. asteriscus","taxon_id":"taxon:105c5786-4483-5264-9737-f6d6da421a0f","revision":"publish:5809c037-0e9a-430a-8008-5ab6f69800c0","photos":[{"id":"silphium-asteriscus-var-asteriscus-tn-3054-32454219","src":"/api/photos/image/44c47dfa5374fc29fba7c7d72a9c948026eca947172245960589797857d94890.jpg","view":"bloom","alt":"Silphium asteriscus var. asteriscus — flower photograph","width":960,"height":720,"artist":"Masebrock at English Wikipedia","license":"Public domain","license_url":"https://commons.wikimedia.org/wiki/Commons:Public_domain","source_url":"https://commons.wikimedia.org/wiki/File:Silphium_asteriscus.jpg","changes":"Wikimedia thumbnail; no crop or retouching"}]}