{"id":"sonchus-oleraceus","license":"CC-BY-4.0","data":{"scientificName":"Sonchus oleraceus","commonNames":["Sonchus oleraceus"],"taxonRank":"species","acceptedName":"Sonchus oleraceus","family":"Asteraceae","ids":{"usdaSymbol":"SOOL","gbifKey":8228544},"states":["AK","AL","AR","AZ","CA","CO","CT","DC","DE","FL","GA","HI","IA","ID","IL","IN","KS","KY","LA","MA","MD","ME","MI","MN","MO","MS","MT","NC","ND","NE","NH","NJ","NM","NV","NY","OH","OK","OR","PA","PR","RI","SC","SD","TN","TX","UT","VA","VI","VT","WA","WI","WV","WY"],"rangeAssertions":[{"relation":"introduced","geography":{"grain":"state","stateCodes":["HI"],"regions":["TDWG level 1 6 — PACIFIC","TDWG level 2 63 — North-Central Pacific","TDWG level 3 HAW — Hawaii"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["MD"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 MRY — Maryland"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["MN"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 MIN — Minnesota"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["NY"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 NWY — New York"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["OR"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 73 — Northwestern U.S.A.","TDWG level 3 ORE — Oregon"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["PR"],"regions":["TDWG level 1 8 — SOUTHERN AMERICA","TDWG level 2 81 — Caribbean","TDWG level 3 PUE — Puerto Rico"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["TX"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 77 — South-Central U.S.A.","TDWG level 3 TEX — Texas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["WI"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 WIS — Wisconsin"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"}],"invasiveIn":[{"state":"AK","status":"invasive-reported","source":"us-riis"},{"state":"HI","status":"invasive-reported","source":"us-riis"},{"state":"L48","status":"invasive-reported","source":"us-riis"}],"statusAssertions":[{"status":"widespread-invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["AK"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-AK-Plantae10686","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2022-05-09T00:00:00.000Z","sourceTaxon":{"name":"Sonchus oleraceus","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"E","label":"widespread invasive (category E)"},"associatedReferences":["USDA Natural Resources Conservation Service (NRCS) PLANTS Database (2021erz), https://plants.usda.gov/home/plantProfile?symbol=SOOL"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"}},{"status":"widespread-invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["HI"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-HI-Plantae10687","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2022-05-09T00:00:00.000Z","sourceTaxon":{"name":"Sonchus oleraceus","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"E","label":"widespread invasive (category E)"},"associatedReferences":["USDA Natural Resources Conservation Service (NRCS) PLANTS Database (2021erz), https://plants.usda.gov/home/plantProfile?symbol=SOOL"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"}},{"status":"widespread-invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["L48"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-L48-Plantae10688","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2022-05-09T00:00:00.000Z","sourceTaxon":{"name":"Sonchus oleraceus","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"E","label":"widespread invasive (category E)"},"associatedReferences":["USDA Natural Resources Conservation Service (NRCS) PLANTS Database (2021erz), https://plants.usda.gov/home/plantProfile?symbol=SOOL"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"}}],"plantForm":"perennial","evidence":[{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 9.87","score":{"value":9.87,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 9718; Ignitability measurement; plant part leaves; fuel live; predrying no; device muffle furnace; site Murray2013-1; sampling march to april. Primary study Murray2013: Murray, B. R., Hardstaff, L. K., & Phillips, M. L. (2013). Differences in leaf flammability, leaf traits and flammability-trait relationships between native and exotic plant species of dry sclerophyll forest. PLoS One, 8, e79205.","plantPart":"leaf","original":"Murray2013","edition":"Dryad version 9","url":"https://doi.org/10.5061/dryad.h18931zr3","documentDate":"2023-12-22T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"}],"flammabilityClass":"mixed-evidence","ratingReason":"limited-evidence","recommendation":"candidate","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-25T00:00:00.000Z","reviewNotes":"FLAMITS measurements are retained as non-voting evidence; the database publishes no cross-variable directional threshold."},"localAssessmentInputs":{"stateDistribution":["AK","AL","AR","AZ","CA","CO","CT","DC","DE","FL","GA","HI","IA","ID","IL","IN","KS","KY","LA","MA","MD","ME","MI","MN","MO","MS","MT","NC","ND","NE","NH","NJ","NM","NV","NY","OH","OK","OR","PA","PR","RI","SC","SD","TN","TX","UT","VA","VI","VT","WA","WI","WV","WY"],"nativeStates":[],"rangeAssertions":[{"relation":"introduced","geography":{"grain":"state","stateCodes":["HI"],"regions":["TDWG level 1 6 — PACIFIC","TDWG level 2 63 — North-Central Pacific","TDWG level 3 HAW — Hawaii"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["MD"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 MRY — Maryland"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["MN"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 MIN — Minnesota"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["NY"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 NWY — New York"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["OR"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 73 — Northwestern U.S.A.","TDWG level 3 ORE — Oregon"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["PR"],"regions":["TDWG level 1 8 — SOUTHERN AMERICA","TDWG level 2 81 — Caribbean","TDWG level 3 PUE — Puerto Rico"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["TX"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 77 — South-Central U.S.A.","TDWG level 3 TEX — Texas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["WI"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 WIS — Wisconsin"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["AK","AL","AR","AZ","CA","CO","CT","DC","DE","FL","GA","HI","IA","ID","IL","IN","KS","KY","LA","MA","MD","ME","MI","MN","MO","MS","MT","NC","ND","NE","NH","NJ","NM","NV","NY","OH","OK","OR","PA","PR","RI","SC","SD","TN","TX","UT","VA","VI","VT","WA","WI","WV","WY"]},"provenance":"legacy-field"}],"usdaZoneMin":null,"usdaZoneMax":null,"hardinessAssertions":[],"hardinessSelection":{"status":"none","assertions":[]},"invasiveIn":[{"state":"AK","status":"invasive-reported","source":"us-riis"},{"state":"HI","status":"invasive-reported","source":"us-riis"},{"state":"L48","status":"invasive-reported","source":"us-riis"}],"statusAssertions":[{"status":"widespread-invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["AK"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-AK-Plantae10686","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2022-05-09T00:00:00.000Z","sourceTaxon":{"name":"Sonchus oleraceus","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"E","label":"widespread invasive (category E)"},"associatedReferences":["USDA Natural Resources Conservation Service (NRCS) PLANTS Database (2021erz), https://plants.usda.gov/home/plantProfile?symbol=SOOL"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"},"provenance":"cited"},{"status":"widespread-invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["HI"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-HI-Plantae10687","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2022-05-09T00:00:00.000Z","sourceTaxon":{"name":"Sonchus oleraceus","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"E","label":"widespread invasive (category E)"},"associatedReferences":["USDA Natural Resources Conservation Service (NRCS) PLANTS Database (2021erz), https://plants.usda.gov/home/plantProfile?symbol=SOOL"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"},"provenance":"cited"},{"status":"widespread-invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["L48"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-L48-Plantae10688","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2022-05-09T00:00:00.000Z","sourceTaxon":{"name":"Sonchus oleraceus","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"E","label":"widespread invasive (category E)"},"associatedReferences":["USDA Natural Resources Conservation Service (NRCS) PLANTS Database (2021erz), https://plants.usda.gov/home/plantProfile?symbol=SOOL"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"},"provenance":"cited"}],"fireEvidenceClass":"mixed-evidence","recommendation":"candidate","fireSourceScopes":[],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[{"state":"AK","status":"invasive-reported","source":"us-riis-v2"},{"state":"HI","status":"invasive-reported","source":"us-riis-v2"},{"state":"L48","status":"invasive-reported","source":"us-riis-v2"}]},"localAssessmentContract":"Compare each dimension separately. State noxious-weed seed designations are material-scoped and never become non-seed plant restrictions, ecological-invasive findings, nursery restrictions, alternatives, product evidence, or fire votes. Introduced/established context is not an invasive warning. Minimum-only hardiness has no inferred maximum; canonical source-temperature conversion is validated and contradictory applicable rows project no primary zone. L48 context applies only to conterminous states and is never exact-state status. Fire-performance conditions are not maintenance advice. FEIS fire-ecology context does not vote in the plant classification. Absence of a status row is not regulatory clearance."}