{"assessment":{"band":"Harmful","fit_score":null,"harm":null,"harm_source":null,"invasive_evidence":[{"category":"Low","listed":true,"rank":null,"scientific_name":"Trapa natans","state":"VA","url":"https://dcr.am.virginia.gov/natural-heritage/document/nh-invasive-plant-list-2024.pdf"}],"native_basis":"not_native","rarity_adjustment":null,"rarity_policy":"Conservation status is displayed separately and never changes ecological scores, including when unranked.","reason":"Listed invasive in Virginia; do not plant. Provisional −30 Harmful baseline without a shared severity profile.","reference":"NC native reference cohort, method 0.6.4; not a Virginia percentile","score":-30,"scoring_inputs":{"harm_penalty":0,"invasive":true,"invasive_rank":null,"native":false,"state_rank":"SNA"},"severity_basis":"provisional_unranked_default","severity_mapping":"No supported severity category crosswalk; shared provisional unranked-invasive default","status":"scored_invasive","version":"shared-0.6.5"},"condition_evidence":{},"evidence":{"fit_score":null,"growth_habit":null,"invasive_status":{"status":"listed"},"native_status":{"status":"not_native"},"occurrence":{"county_fips":["51013","51059","51179"],"meaning":"Recorded occurrence; not a county native-range assertion"},"quercus_score":null,"regional":{"county_fips":["51013","51059","51179"],"growth_habit":null,"growth_habit_source":null,"invasive":true,"invasive_evidence":[{"category":"Low","listed":true,"rank":null,"scientific_name":"Trapa natans","state":"VA","url":"https://dcr.am.virginia.gov/natural-heritage/document/nh-invasive-plant-list-2024.pdf"}],"invasive_rank":null,"native":false,"native_basis":"state_source","native_decided_by":"va_invasive","native_evidence":[{"claim":"introduced","flag":"I","matched_name":"Trapa natans","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=3605"},{"claim":"introduced","scope":"VA","source":"va_invasive","url":"https://dcr.am.virginia.gov/natural-heritage/document/nh-invasive-plant-list-2024.pdf"},{"basis":"range text names a native range outside North America","claim":"introduced","scope":"DC-DE-IL-IN-KY-MD-NJ-NY-OH-PA-VA-WV","source":"floraquest_northern_tier","text":"Native of Eurasia and Africa.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"alien asterisk: exotic throughout the Flora area","claim":"introduced","matched_name":"Trapa natans","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":"introduced","record_id":3740,"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":"introduced","matched_name":"Trapa natans","scope":"VA","source":"natureserve_explorer","srank":"SNA","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.149241/Trapa_natans"}],"native_explanation":"Virginia DCR invasive plant list (government agency, state claim) gives the value.","native_provenance":{"flags":[],"source":"va_invasive","specificity":"state","tier":"government"},"native_status":"not_native","package_native_status":"not_native","source_ids":["va_atlas:VA:3605"],"source_name":"Trapa natans","source_refs":["gbif_specimens","natureserve_explorer","va_atlas","va_invasive"],"source_url":"https://vaplantatlas.org/index.php?do=plant&plant=3605","state_rank":"SNA"},"source_refs":["gbif_specimens","natureserve_explorer","va_atlas","va_invasive"],"source_url":"https://vaplantatlas.org/index.php?do=plant&plant=3605","state_rank":{"value":"SNA"}},"fit_inputs":{"light":null,"moisture":[3,4],"ph":null},"fit_provenance":{"moisture":"USACE wetland occurrence proxy (EMP)"},"fit_record":{"band":"Harmful","condition_evidence":{},"county_fips":["51013","51059","51179"],"fit_inputs":{"light":null,"moisture":[3,4],"ph":null},"fit_note":"Shared sunlight, moisture and pH calculation; county geography is an additional layer. Missing source traits remain unknown.","fit_provenance":{"moisture":"USACE wetland occurrence proxy (EMP)"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed","suggestions_excluded":false},"invasive_rank":true,"native_eligible":false,"quercus_score":-30,"state":"VA"},"garden_suitability":{"default_excluded":false,"flags":[],"review_status":"not_assessed","suggestions_excluded":false},"growing_observations":{},"native_synthesis":{"claims":[{"claim":"introduced","flag":"I","matched_name":"Trapa natans","scope":"VA","source":"va_atlas","url":"https://vaplantatlas.org/index.php?do=plant&plant=3605"},{"claim":"introduced","scope":"VA","source":"va_invasive","url":"https://dcr.am.virginia.gov/natural-heritage/document/nh-invasive-plant-list-2024.pdf"},{"basis":"range text names a native range outside North America","claim":"introduced","scope":"DC-DE-IL-IN-KY-MD-NJ-NY-OH-PA-VA-WV","source":"floraquest_northern_tier","text":"Native of Eurasia and Africa.","url":"https://fsus.ncbg.unc.edu/"},{"basis":"alien asterisk: exotic throughout the Flora area","claim":"introduced","matched_name":"Trapa natans","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":"introduced","record_id":3740,"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":"introduced","matched_name":"Trapa natans","scope":"VA","source":"natureserve_explorer","srank":"SNA","url":"https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.149241/Trapa_natans"}],"county_native_range":"unresolved","decided_by":"va_invasive","explanation":"Virginia DCR invasive plant list (government agency, state claim) gives the value.","label":"Not native to Virginia","provenance":{"flags":[],"source":"va_invasive","specificity":"state","tier":"government"},"rule":"fact-hierarchy-2","status":"not_native"},"source_name":"Trapa natans","taxon_id":"taxon:859d5e49-21db-5171-93b3-5fce0a666f22","revision":"publish:cdb975f5-333c-4482-92bd-514ef43ee9c3","photos":[]}