{"id":"chrysothamnus","license":"CC-BY-4.0","data":{"scientificName":"Chrysothamnus sp.","commonNames":["Rabbit brush"],"taxonRank":"genus","acceptedName":"Chrysothamnus","family":"Asteraceae","ids":{"usdaSymbol":"CHRYS9","gbifKey":3148624,"itisTsn":37048,"wikidataQid":"Q2708402","inatTaxonId":57965},"usdaZoneMin":"4a","usdaZoneMax":"8b","zoneSource":"osu-em-9103","states":["AZ"],"hardinessAssertions":[{"minimum":"4","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Chrysothamnus spp.","taxonMatch":"exact","sourcePlacement":"Rabbitbrush profile (PDF page 147)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"shrub","photo":{"file":"/images/plants/chrysothamnus.jpg","sourceUrl":"https://www.inaturalist.org/photos/142959920","observationUrl":"https://www.inaturalist.org/observations/86749696","license":"cc0","attribution":"no rights reserved","fetchedOn":"2026-08-23T00:00:00.000Z"},"evidence":[{"source":"unr-compilation-good-plant-choices","verdict":"mixed","verdictRaw":"listed by at least two sources; reviewers recorded disagreement","claims":"Compilation marks: AZ1289, CSU 6.305.","edition":"SP-05-16 (2005)","url":"https://extension.unr.edu/publication.aspx?PubID=4762","documentDate":"2005-01-01T00:00:00.000Z","accessedOn":"2026-08-24T00:00:00.000Z"},{"source":"ua-az1289","verdict":"recommend","verdictRaw":"listed FIREWISE plant material","claims":"Listed among fire-resistant plant materials for Arizona above 3,000 feet.","edition":"2011 revision","url":"https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az1289.pdf","documentDate":"2011-12-01T00:00:00.000Z","accessedOn":"2026-08-24T00:00:00.000Z"},{"source":"osu-em-9103","verdict":"recommend","verdictRaw":"fire-resistant plants that thrive in Willamette Valley growing conditions","claims":"The shrubs & woody vines profile lists Chrysothamnus spp. as Rabbitbrush. The profile prints USDA Hardiness Zone: 4–8.","plantPart":"whole-plant","sourcePlacement":{"value":"Rabbitbrush profile (PDF page 147)","scheme":"osu-em-9103-profile"},"edition":"EM 9103, February 2015","url":"https://www.canbyfire.org/files/074d2a9e3/Fire-Resistant-Plants_Willamette-Valley.pdf","documentDate":"2015-02-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"fremont-county-wy-firewise-list","verdict":"recommend","verdictRaw":"Fremont County Firewise Plant List — Chrysothamnus spp. — Rabbitbrush","claims":"Listed in the source's Shrubs section; the page describes its listed Firewise plants as generally low-growing, low-debris, and relatively moist.","plantPart":"whole-plant","edition":"web page (server last-modified 2011-02-25)","url":"http://www.fremontcountyfirewise.com/WyomingFirewisePlantList.htm","documentDate":"2011-02-25T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"yavapai-34","verdict":"avoid","verdictRaw":"Fire-Prone Plants","claims":"Listed as Rabbit brush — Chrysothamnus sp.. The bulletin says fire-resistant plants tend to resist ignition when irrigated and maintained, while fire-prone plants may ignite readily and burn intensely.","plantPart":"whole-plant","edition":"v1.2","url":"https://www.extension.arizona.edu/sites/default/files/2025-03/FirewisePlants3-14-2025.pdf","documentDate":"2025-03-14T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"nm-emnrd-firewise-plant-list","verdict":"recommend","verdictRaw":"FireWise Plant List for New Mexico","claims":"Listed as Chrysothamnus spp. (Rabbitbrush) in Shrubs. Printed elevation cells: 4,000 ft=Y, 5,000 ft=Y, 6,000 ft=Y, 7,000 ft=Y, 8,000 ft=Y, 9,000+ ft=Y. Water need: VL-L; sun/shade: S; mature height: 2-6’; approximate bloom: Jul-Aug.","plantPart":"whole-plant","sourcePlacement":{"value":"PDF page 4, Shrubs, p4-r08","scheme":"nm-emnrd-firewise-table-row"},"edition":"2003 Forestry Division PDF","url":"https://www.emnrd.nm.gov/sfd/wp-content/uploads/sites/4/Wui_plantlist.pdf","documentDate":"2003-10-08T00:00:00.000Z","accessedOn":"2026-08-26T00:00:00.000Z"}],"flammabilityClass":"fire-resistant","ratingReason":"limited-evidence","recommendation":"on-list","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-23T00:00:00.000Z","reviewNotes":"Photo auto-selected (top-voted iNat); human review pending."},"localAssessmentInputs":{"stateDistribution":["AZ"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["AZ"]},"provenance":"legacy-field"}],"usdaZoneMin":"4a","usdaZoneMax":"8b","hardinessAssertions":[{"minimum":"4","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Chrysothamnus spp.","taxonMatch":"exact","sourcePlacement":"Rabbitbrush profile (PDF page 147)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}],"hardinessSelection":{"status":"selected","assertion":{"minimum":"4","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Chrysothamnus spp.","taxonMatch":"exact","sourcePlacement":"Rabbitbrush profile (PDF page 147)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},"assertions":[{"minimum":"4","maximum":"8","interpretation":"explicit-range","precision":"whole-zone","zoneMapping":"source-stated","applicability":"applicable","source":"osu-em-9103","sourceTaxon":"Chrysothamnus spp.","taxonMatch":"exact","sourcePlacement":"Rabbitbrush profile (PDF page 147)","sourceVersion":"EM 9103, February 2015","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}]},"invasiveIn":[],"statusAssertions":[],"fireEvidenceClass":"fire-resistant","recommendation":"on-list","fireSourceScopes":[{"source":"fremont-county-wy-firewise-list","sourceName":"Fremont County Firewise Plant List","sourceUrl":"http://www.fremontcountyfirewise.com/WyomingFirewisePlantList.htm","geography":{"grain":"aggregate-region","stateCodes":["WY"],"regions":["Fremont County"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The source identifies itself as the Fremont County Firewise Plant List. FireApproved publishes its 92 exact source owners as Fremont County regional context. No methodology, current county endorsement, statewide Wyoming scope, or site-specific suitability is inferred.","sourceVersion":"Fremont-County-Firewise-Plant-List-2011-02-25","asOf":"2011-02-25T00:00:00.000Z"},{"source":"nm-emnrd-firewise-plant-list","sourceName":"FireWise Plant List for New Mexico","sourceUrl":"https://www.emnrd.nm.gov/sfd/wp-content/uploads/sites/4/Wui_plantlist.pdf","geography":{"grain":"state","stateCodes":["NM"]},"completeness":"partial","reviewStatus":"reviewed","scope":"New Mexico Forestry Division publishes this as its FireWise Plant List for New Mexico. FireApproved accounts for all 140 printed rows and publishes 95 exact same-rank owners already represented in the directory; 29 exact taxa without an existing record, 14 unresolved spellings or higher-rank matches, one compound taxon cell, and one species row whose only apparent owner has an infraspecific printed identity remain held. Every published row retains the source's Y, N, ?, or blank elevation cells. Publication scope does not erase those elevation limits or establish suitability for every New Mexico site.","sourceVersion":"NM-EMNRD-Forestry-WUI-Plant-List-2003-10-08","asOf":"2003-10-08T00:00:00.000Z"},{"source":"osu-em-9103","sourceName":"Fire-resistant Landscape Plants for the Willamette Valley (EM 9103)","sourceUrl":"https://www.canbyfire.org/files/074d2a9e3/Fire-Resistant-Plants_Willamette-Valley.pdf","geography":{"grain":"aggregate-region","stateCodes":["OR"],"regions":["Willamette Valley"]},"completeness":"partial","reviewStatus":"reviewed","scope":"OSU Extension says EM 9103 highlights fire-resistant plants that thrive under Willamette Valley growing conditions. FireApproved publishes 172 exact owners only as valley context. The guide shares the PNW 590 lineage and is not a second independent vote or statewide site clearance.","sourceVersion":"OSU-EM-9103-2015-02","asOf":"2015-02-01T00:00:00.000Z"},{"source":"ua-az1289","sourceName":"FIREWISE Plant Materials for 3,000 ft. and Higher Elevations (AZ1289)","sourceUrl":"https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az1289.pdf","geography":{"grain":"aggregate-region","stateCodes":["AZ"],"regions":["Arizona at or above 3,000 feet"]},"completeness":"partial","reviewStatus":"reviewed","scope":"AZ1289 is explicitly limited to Arizona elevations of 3,000 feet and higher. FireApproved publishes 69 exact owners as regional Arizona context, retaining every water and elevation condition. It is never promoted to statewide low-desert guidance or an independent Tier 1 vote.","sourceVersion":"UA-Extension-AZ1289-2011-12","asOf":"2011-12-01T00:00:00.000Z"},{"source":"unr-compilation-good-plant-choices","sourceName":"A Compilation of Good Plant Choices for Nevada's High Fire Hazard Areas (SP-05-16)","sourceUrl":"https://extension.unr.edu/publication.aspx?PubID=4762","geography":{"grain":"state","stateCodes":["NV"]},"completeness":"partial","reviewStatus":"reviewed","scope":"University of Nevada Cooperative Extension compiled plants suited to Nevada climate zones and reported favorably by at least two upstream firewise lists. FireApproved publishes 126 exact source owners at Nevada publication scope. The source explicitly makes no independent flammability determination, so these rows remain corroborative.","sourceVersion":"UNR-Extension-SP-05-16-2005","asOf":"2005-01-01T00:00:00.000Z"},{"source":"yavapai-34","sourceName":"Fire-Resistant and Fire-Prone Plants Common to Yavapai County (Bulletin 34)","sourceUrl":"https://www.extension.arizona.edu/sites/default/files/2025-03/FirewisePlants3-14-2025.pdf","geography":{"grain":"aggregate-region","stateCodes":["AZ"],"regions":["Yavapai County"]},"completeness":"partial","reviewStatus":"reviewed","scope":"University of Arizona Cooperative Extension authors Bulletin 34 for Yavapai County. FireApproved publishes 198 exact source owners from its resistant and prone tables and keeps the county boundary visible. County publication scope is regional Arizona context, never statewide scope.","sourceVersion":"UA-Yavapai-Bulletin-34-v1.2-2025-03-14","asOf":"2025-03-14T00:00:00.000Z"}],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[],"usdaZoneMin":"4","usdaZoneMax":"8"},"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."}