{"id":"arctotheca-calendula","license":"CC-BY-4.0","data":{"scientificName":"Arctotheca calendula","commonNames":["Cape Weed"],"taxonRank":"species","acceptedName":"Arctotheca calendula","family":"Asteraceae","ids":{"usdaSymbol":"ARCA45","gbifKey":3114986},"states":["CA"],"rangeAssertions":[{"relation":"introduced","geography":{"grain":"state","stateCodes":["CA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 CAL — California"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"}],"invasiveIn":[{"state":"HI","status":"invasive-reported","source":"us-riis"},{"state":"L48","status":"invasive-reported","source":"us-riis"},{"state":"US","status":"noxious-listed","source":"usda-plants"}],"statusAssertions":[{"status":"invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["HI"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-HI-Plantae11992","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2021-08-27T00:00:00.000Z","sourceTaxon":{"name":"Arctotheca calendula","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"D2","label":"invasive (category D2)"},"associatedReferences":["Imada (2019), http://hbs.bishopmuseum.org/publications/pdf/tr69.pdf"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"}},{"status":"invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["L48"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-L48-Plantae6435","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2021-08-27T00:00:00.000Z","sourceTaxon":{"name":"Arctotheca calendula","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"D2","label":"invasive (category D2)"},"associatedReferences":["USDA Natural Resources Conservation Service (NRCS) PLANTS Database (2021lh), https://plants.usda.gov/home/plantProfile?symbol=ARCA45"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"}},{"status":"noxious-listed","channel":"regulatory","geography":{"grain":"federal","regions":["United States"]},"authority":"USDA Animal and Plant Health Inspection Service","source":"usda-aphis-federal-noxious-7-cfr-360-200","sourceRecordId":"7-cfr-360.200:arctotheca-calendula","sourceVersion":"7 CFR 360.200, eCFR up to date 2026-08-24","asOf":"2026-08-24T00:00:00.000Z","sourceTaxon":{"name":"Arctotheca calendula","rank":"species","rawRank":"species"},"sourceDesignation":{"code":"7 CFR 360.200","label":"Federal noxious weed"},"associatedReferences":["https://www.ecfr.gov/current/title-7/subtitle-B/chapter-III/part-360/section-360.200"],"taxonProjection":{"basis":"exact-taxon","legalScope":"includes-subordinate-taxa","exceptionReview":"not-applicable","notes":"unique exact same-rank federal scientific/accepted name match; no subordinate projection"}},{"status":"prohibited","channel":"regulatory","designationDomain":"seed","regulatedMaterial":"agricultural-and-vegetable-seed","geography":{"grain":"state","stateCodes":["CA"]},"authority":"State seed requirements compiled and published by USDA Agricultural Marketing Service, Seed Regulatory and Testing Division","source":"usda-ams-state-noxious-weed-seed-2026","sourceRecordId":"usda-ams-state-noxious-weed-seed-2026:CA:019","sourceVersion":"USDA-AMS-State-Noxious-Weed-Seed-Requirements-Revised-July-2026","asOf":"2026-08-26T00:00:00.000Z","sourceTaxon":{"name":"Arctotheca calendula","rank":"species","rawRank":"species"},"sourceDesignation":{"code":"CA-prohibited","label":"Prohibited noxious-weed seed"},"associatedReferences":["https://www.ams.usda.gov/sites/default/files/media/StateNoxiousWeeds.xlsx","https://www.ams.usda.gov/sites/default/files/media/StateNoxiousWeedsSeedList.pdf","https://www.ams.usda.gov/rules-regulations/fsa"],"regulatoryConditions":[{"kind":"seed-kind-scope","statement":"Printed governing section — Prohibited","sourceUrl":"https://www.ams.usda.gov/sites/default/files/media/StateNoxiousWeedsSeedList.pdf"}],"taxonProjection":{"basis":"exact-taxon","legalScope":"named-taxon-only","notes":"The printed source taxon exactly equals a unique stored scientific or accepted name at the same rank"},"seedRegulation":{"sourceSheet":"CA","sourceRow":19,"sourceSectionHeading":"Prohibited","governingSectionRecordId":"usda-ams-state-noxious-weed-seed-2026:CA:007","seedKindScope":"state-seed-list-general","printedCommonName":"Capeweed","printedScientificName":"Arctotheca calendula","category":"prohibited","stateNoteReferences":[],"commerceBoundary":"USDA AMS identifies this publication as state labeling requirements and prohibitions for noxious-weed seed, in Federal Seed Act interstate-commerce context for agricultural and vegetable seed.","sourceSnapshotSha256":"723a5304a48ed575d67b67605f1af5bed86f1972f2890e0ba5592f63accaba4c","officialWorkbookUrl":"https://www.ams.usda.gov/sites/default/files/media/StateNoxiousWeeds.xlsx","officialPdfUrl":"https://www.ams.usda.gov/sites/default/files/media/StateNoxiousWeedsSeedList.pdf"}}],"plantForm":"groundcover","evidence":[{"source":"la-arboretum-fire-retardant-hillside-1970","verdict":"recommend","verdictRaw":"CATEGORY 2 — Non-succulent plants, high leaf moisture content capacity (80-95%)","claims":"Arctotheca calendula (Cape Weed) is one of 30 low-growing plants in the source's recommended Table 1. The category reflects leaf moisture capacity under normal garden conditions at the Arboretum.","plantPart":"whole-plant","condition":"green","sourcePlacement":{"value":"Category 2","scheme":"la-arboretum-1970-leaf-moisture-fire-retardance"},"edition":"LASCA Leaves, September 1970","url":"https://arboretum.org/issue/lasca-leaves-september-1970/","documentDate":"1970-09-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"lubin-shelly-1997-ucfpl-compilation","verdict":"recommend","verdictRaw":"RECOMMENDED by 25 references for use in high fire risk areas.","claims":"1997 Landscape Vegetation Database row: Arctotheca calendula (Silver spreader, cape weed). Preserved UCFPL transcription marker: F25.","plantPart":"whole-plant","sourcePlacement":{"value":"Chapter 4, Landscape Vegetation Database","scheme":"ucfpl-1997"},"edition":"Internal Report 36.01.137 (July 1997)","url":"https://www.firesafemonterey.org/uploads/1/0/6/5/10653434/uc_forestproductslabdefensiblespaceplantlist_ocr.pdf","documentDate":"1997-07-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"radtke-1983-psw-gtr-067","verdict":"recommend","verdictRaw":"High — Capeweed","claims":"Table 5 rates this low-growing southern California landscape entry by fuel volume, inherent plant flammability, and ease of fire spread.","plantPart":"whole-plant","edition":"General Technical Report PSW-67","url":"https://research.fs.usda.gov/download/treesearch/28923.pdf","documentDate":"1983-09-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"}],"flammabilityClass":"fire-resistant","ratingReason":"limited-evidence","recommendation":"on-list","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-25T00:00:00.000Z"},"localAssessmentInputs":{"stateDistribution":["CA"],"nativeStates":[],"rangeAssertions":[{"relation":"introduced","geography":{"grain":"state","stateCodes":["CA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 CAL — California"]},"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":["CA"]},"provenance":"legacy-field"}],"usdaZoneMin":null,"usdaZoneMax":null,"hardinessAssertions":[],"hardinessSelection":{"status":"none","assertions":[]},"invasiveIn":[{"state":"HI","status":"invasive-reported","source":"us-riis"},{"state":"L48","status":"invasive-reported","source":"us-riis"},{"state":"US","status":"noxious-listed","source":"usda-plants"}],"statusAssertions":[{"status":"invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["HI"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-HI-Plantae11992","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2021-08-27T00:00:00.000Z","sourceTaxon":{"name":"Arctotheca calendula","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"D2","label":"invasive (category D2)"},"associatedReferences":["Imada (2019), http://hbs.bishopmuseum.org/publications/pdf/tr69.pdf"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"},"provenance":"cited"},{"status":"invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["L48"]},"source":"us-riis-v2","sourceRecordId":"USRIIS-L48-Plantae6435","sourceVersion":"2.0 (November 2022)","asOf":"2022-10-23T00:00:00.000Z","sourceModified":"2021-08-27T00:00:00.000Z","sourceTaxon":{"name":"Arctotheca calendula","rank":"species","rawRank":"Species"},"sourceDesignation":{"code":"D2","label":"invasive (category D2)"},"associatedReferences":["USDA Natural Resources Conservation Service (NRCS) PLANTS Database (2021lh), https://plants.usda.gov/home/plantProfile?symbol=ARCA45"],"taxonProjection":{"basis":"exact-taxon","notes":"exact source identifier, rank, family, and scientific/accepted name"},"provenance":"cited"},{"status":"noxious-listed","channel":"regulatory","geography":{"grain":"federal","regions":["United States"]},"authority":"USDA Animal and Plant Health Inspection Service","source":"usda-aphis-federal-noxious-7-cfr-360-200","sourceRecordId":"7-cfr-360.200:arctotheca-calendula","sourceVersion":"7 CFR 360.200, eCFR up to date 2026-08-24","asOf":"2026-08-24T00:00:00.000Z","sourceTaxon":{"name":"Arctotheca calendula","rank":"species","rawRank":"species"},"sourceDesignation":{"code":"7 CFR 360.200","label":"Federal noxious weed"},"associatedReferences":["https://www.ecfr.gov/current/title-7/subtitle-B/chapter-III/part-360/section-360.200"],"taxonProjection":{"basis":"exact-taxon","legalScope":"includes-subordinate-taxa","exceptionReview":"not-applicable","notes":"unique exact same-rank federal scientific/accepted name match; no subordinate projection"},"provenance":"cited"},{"status":"prohibited","channel":"regulatory","designationDomain":"seed","regulatedMaterial":"agricultural-and-vegetable-seed","geography":{"grain":"state","stateCodes":["CA"]},"authority":"State seed requirements compiled and published by USDA Agricultural Marketing Service, Seed Regulatory and Testing Division","source":"usda-ams-state-noxious-weed-seed-2026","sourceRecordId":"usda-ams-state-noxious-weed-seed-2026:CA:019","sourceVersion":"USDA-AMS-State-Noxious-Weed-Seed-Requirements-Revised-July-2026","asOf":"2026-08-26T00:00:00.000Z","sourceTaxon":{"name":"Arctotheca calendula","rank":"species","rawRank":"species"},"sourceDesignation":{"code":"CA-prohibited","label":"Prohibited noxious-weed seed"},"associatedReferences":["https://www.ams.usda.gov/sites/default/files/media/StateNoxiousWeeds.xlsx","https://www.ams.usda.gov/sites/default/files/media/StateNoxiousWeedsSeedList.pdf","https://www.ams.usda.gov/rules-regulations/fsa"],"regulatoryConditions":[{"kind":"seed-kind-scope","statement":"Printed governing section — Prohibited","sourceUrl":"https://www.ams.usda.gov/sites/default/files/media/StateNoxiousWeedsSeedList.pdf"}],"taxonProjection":{"basis":"exact-taxon","legalScope":"named-taxon-only","notes":"The printed source taxon exactly equals a unique stored scientific or accepted name at the same rank"},"seedRegulation":{"sourceSheet":"CA","sourceRow":19,"sourceSectionHeading":"Prohibited","governingSectionRecordId":"usda-ams-state-noxious-weed-seed-2026:CA:007","seedKindScope":"state-seed-list-general","printedCommonName":"Capeweed","printedScientificName":"Arctotheca calendula","category":"prohibited","stateNoteReferences":[],"commerceBoundary":"USDA AMS identifies this publication as state labeling requirements and prohibitions for noxious-weed seed, in Federal Seed Act interstate-commerce context for agricultural and vegetable seed.","sourceSnapshotSha256":"723a5304a48ed575d67b67605f1af5bed86f1972f2890e0ba5592f63accaba4c","officialWorkbookUrl":"https://www.ams.usda.gov/sites/default/files/media/StateNoxiousWeeds.xlsx","officialPdfUrl":"https://www.ams.usda.gov/sites/default/files/media/StateNoxiousWeedsSeedList.pdf"},"provenance":"cited"}],"fireEvidenceClass":"fire-resistant","recommendation":"on-list","fireSourceScopes":[{"source":"lubin-shelly-1997-ucfpl-compilation","sourceName":"Defensible Space Landscaping in the Urban/Wildland Interface: A Compilation of Fire Performance Ratings of Residential Landscape Plants","sourceUrl":"https://www.firesafemonterey.org/uploads/1/0/6/5/10653434/uc_forestproductslabdefensiblespaceplantlist_ocr.pdf","geography":{"grain":"state","stateCodes":["CA"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The UC Forest Products Laboratory says the guide covers properties of common California landscaping plants and was prepared for California fire agencies. FireApproved publishes 130 exact owners at historical California publication scope. The report is a 1997 compilation, not a current endorsement, site rating, or independent test of every row.","sourceVersion":"UCFPL-Internal-Report-36.01.137-1997-07","asOf":"1997-07-01T00:00:00.000Z"}],"firePerformanceConditions":[{"condition":"green","evidence":[{"source":"la-arboretum-fire-retardant-hillside-1970","verdict":"recommend","url":"https://arboretum.org/issue/lasca-leaves-september-1970/","claims":"Arctotheca calendula (Cape Weed) is one of 30 low-growing plants in the source's recommended Table 1. The category reflects leaf moisture capacity under normal garden conditions at the Arboretum.","evidenceIndex":0}]}],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[{"state":"HI","status":"invasive-reported","source":"us-riis-v2"},{"state":"L48","status":"invasive-reported","source":"us-riis-v2"},{"state":"US","status":"noxious-listed","source":"usda-aphis-federal-noxious-7-cfr-360-200"}]},"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."}