{"id":"linum-lewisii","license":"CC-BY-4.0","data":{"scientificName":"Linum lewisii","commonNames":["Wild Blue Flax"],"taxonRank":"species","acceptedName":"Linum lewisii","family":"Linaceae","ids":{"usdaSymbol":"LILE3","gbifKey":2873876,"itisTsn":29214,"wikidataQid":"Q3113824","inatTaxonId":60490},"usdaZoneMin":"3a","zoneSource":"usda-plants","states":["AK","AR","AZ","CA","CO","ID","KS","LA","MI","MN","MT","ND","NE","NM","NV","OK","OR","SD","TX","UT","WA","WV","WY"],"rangeAssertions":[{"relation":"introduced","geography":{"grain":"state","stateCodes":["LA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 LOU — Louisiana"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["MO"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 MSO — Missouri"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["WV"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 WVA — West Virginia"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["AK"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 70 — Subarctic America","TDWG level 3 ASK — Alaska"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["AR"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 ARK — Arkansas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["AZ"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 ARI — Arizona"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","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"},{"relation":"native","geography":{"grain":"state","stateCodes":["CO"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 73 — Northwestern U.S.A.","TDWG level 3 COL — Colorado"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["ID"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 73 — Northwestern U.S.A.","TDWG level 3 IDA — Idaho"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["KS"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 KAN — Kansas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","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":"native","geography":{"grain":"state","stateCodes":["MT"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 73 — Northwestern U.S.A.","TDWG level 3 MNT — Montana"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["ND"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 NDA — North Dakota"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["NE"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 NEB — Nebraska"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["NM"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 77 — South-Central U.S.A.","TDWG level 3 NWM — New Mexico"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["NV"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 NEV — Nevada"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["OK"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 OKL — Oklahoma"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","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":"native","geography":{"grain":"state","stateCodes":["SD"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 SDA — South Dakota"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","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":"native","geography":{"grain":"state","stateCodes":["UT"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 UTA — Utah"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["WA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 73 — Northwestern U.S.A.","TDWG level 3 WAS — Washington"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["WY"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 73 — Northwestern U.S.A.","TDWG level 3 WYO — Wyoming"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"}],"hardinessAssertions":[{"minimum":"3a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-36,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"LILE3","sourceTaxon":"Linum lewisii","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 84220, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"perennial","matureHeightFt":2,"waterNeed":"low","photo":{"file":"/images/plants/linum-lewisii.jpg","sourceUrl":"https://www.inaturalist.org/photos/14428","observationUrl":"https://www.inaturalist.org/observations/6969","license":"cc-by","attribution":"(c) Tom Hilton, some rights reserved (CC BY)","fetchedOn":"2026-08-23T00:00:00.000Z"},"evidence":[{"source":"idaho-firewise-master-db","verdict":"mixed","verdictRaw":"fire-resistance score 7 of 10","score":{"value":7,"scale":"idaho-0-10"},"sourcePlacement":{"value":"plantable at 40' from home","scheme":"idaho-distance"},"url":"https://idahofirewise.org/wp-content/uploads/2017/04/FireXResistanceXofXPlantsXMasterXDatabase.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"unr-fs-97-36-greenstrips","verdict":"recommend","verdictRaw":"Common perennial plants used in greenstrips and selected characteristics important to their establishment and use","claims":"Table 1 row: Lewis flax (Linum lewisii). Minimum yearly precipitation: 10-12 inches; salt or alkali tolerance: Moderate; status: N; growth form, flower color, or season: Blue/Sp; varieties: ‘Appar’. The fact sheet says greenstrips should be grazed or mown frequently enough to reduce fuel buildup; otherwise their effectiveness is reduced dramatically.","sourcePlacement":{"value":"common perennial plant used in a maintained northern Nevada greenstrip","scheme":"unr-fs-97-36-greenstrip"},"edition":"Fact Sheet 97-36","url":"https://naes.agnt.unr.edu/PMS/Pubs/2020-3342.pdf","documentDate":"1997-01-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"csu-6305","verdict":"recommend","verdictRaw":"ignitability score 8 of 10","score":{"value":8,"scale":"idaho-0-10"},"claims":"CSU 6.305 table lists Linum lewisii (Lewis or blue flax) with the preserved ignitability score.","plantPart":"whole-plant","sourcePlacement":{"value":"suitable for defensible-space zones 1-2 (score 8+)","scheme":"csu-hiz"},"edition":"2025","url":"https://csfs.colostate.edu/wp-content/uploads/2025/08/CSFS_CSU-Ext_Fact-Sheets_IRLP_2025_081825-2_web_accessible.pdf","documentDate":"2025-07-01T00:00:00.000Z","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"nv-forestry-tahoe-landscaping-guide","verdict":"recommend","verdictRaw":"low — Flax, blue or Flax, Lewis — Linum lewisii","claims":"Table 1's Fire Hazard column prints “low” for this taxon. The guide calls the rating a rough estimate of potential flammability, not a result of scientific trials. Its footnote says plants that turn brown often become high fire hazards and tells readers to mow grasses and forbs when they begin to turn brown.","plantPart":"whole-plant","sourcePlacement":{"value":"Fire Hazard column: low","scheme":"tahoe-guide-2006"},"edition":"Bulletin 06-01 (2006)","url":"https://forestry.nv.gov/uploads/missions/20210304_AMT_2006_Home_Landscaping_Guide_Lake_Tahoe.pdf","documentDate":"2006-01-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"fremont-county-wy-firewise-list","verdict":"recommend","verdictRaw":"Fremont County Firewise Plant List — Linum lewisii — Wild Blue Flax","claims":"Listed in the source's Ground Covers 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":"firewise-black-hills-sd-plantlist","verdict":"recommend","verdictRaw":"Flowers & groundcovers: Wild blue flax — Linum lewisii","claims":"The introduction describes all table entries as fire-resistive plants that can be used in landscaping.","plantPart":"whole-plant","sourcePlacement":{"value":"Flowers & groundcovers","scheme":"black-hills-plant-form-table"},"edition":"2004 scan / 2007 archive","url":"https://web.archive.org/web/20070714035957/http://www.firewise.org/usa/files/south_dakota.pdf","documentDate":"2004-11-30T00:00:00.000Z","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 Linum lewisii (Blue flax) in Flowers and Ground Covers. 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: L-H; sun/shade: S/PS; mature height: 1-2’; approximate bloom: May- Sep.","plantPart":"whole-plant","sourcePlacement":{"value":"PDF page 5, Flowers and Ground Covers, p5-r34","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":"consensus","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":["AK","AR","AZ","CA","CO","ID","KS","LA","MI","MN","MT","ND","NE","NM","NV","OK","OR","SD","TX","UT","WA","WV","WY"],"nativeStates":[],"rangeAssertions":[{"relation":"introduced","geography":{"grain":"state","stateCodes":["LA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 LOU — Louisiana"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["MO"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 MSO — Missouri"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["WV"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 WVA — West Virginia"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["AK"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 70 — Subarctic America","TDWG level 3 ASK — Alaska"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["AR"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 ARK — Arkansas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["AZ"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 ARI — Arizona"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","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":"native","geography":{"grain":"state","stateCodes":["CO"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 73 — Northwestern U.S.A.","TDWG level 3 COL — Colorado"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["ID"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 73 — Northwestern U.S.A.","TDWG level 3 IDA — Idaho"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["KS"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central U.S.A.","TDWG level 3 KAN — Kansas"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","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":"native","geography":{"grain":"state","stateCodes":["MT"],"regions":["TDWG level 1 7 — 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Nebraska"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["NM"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 77 — South-Central U.S.A.","TDWG level 3 NWM — New Mexico"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["NV"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 NEV — Nevada"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["OK"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 74 — North-Central 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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":"native","geography":{"grain":"state","stateCodes":["UT"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 76 — Southwestern U.S.A.","TDWG level 3 UTA — Utah"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["WA"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 73 — Northwestern U.S.A.","TDWG level 3 WAS — Washington"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z","provenance":"cited"},{"relation":"native","geography":{"grain":"state","stateCodes":["WY"],"regions":["TDWG level 1 7 — 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Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}],"hardinessSelection":{"status":"selected","assertion":{"minimum":"3a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-36,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"LILE3","sourceTaxon":"Linum lewisii","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 84220, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},"assertions":[{"minimum":"3a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-36,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"LILE3","sourceTaxon":"Linum lewisii","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 84220, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}]},"invasiveIn":[],"statusAssertions":[],"fireEvidenceClass":"fire-resistant","recommendation":"on-list","fireSourceScopes":[{"source":"csu-6305","sourceName":"Ignition-Resistant Landscape Plants (Fact Sheet 6.305)","sourceUrl":"https://csfs.colostate.edu/wp-content/uploads/2025/08/CSFS_CSU-Ext_Fact-Sheets_IRLP_2025_081825-2_web_accessible.pdf","geography":{"grain":"state","stateCodes":["CO"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Colorado State University Extension and the Colorado State Forest Service publish Fact Sheet 6.305 for Colorado's WUI and varied ecosystems. FireApproved exposes all 114 exact source owners at Colorado publication scope while retaining score, elevation, water, and Idaho-carrier lineage. Publication scope is not suitability for every Colorado site or zone.","sourceVersion":"CSFS-CSU-Fact-Sheet-6.305-2025-07","asOf":"2025-07-01T00:00:00.000Z"},{"source":"firewise-black-hills-sd-plantlist","sourceName":"Firewise Plant Material for the Black Hills","sourceUrl":"https://web.archive.org/web/20070714035957/http://www.firewise.org/usa/files/south_dakota.pdf","geography":{"grain":"aggregate-region","stateCodes":["SD"],"regions":["Black Hills"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The page explicitly limits itself to the Black Hills, and NFPA Firewise's archived 2006 plant-list index files it under South Dakota. FireApproved publishes 47 exact genus or species owners from 48 printed rows. This is bounded Black Hills context, not statewide South Dakota coverage or a finding that a plant suits a particular site.","sourceVersion":"firewise-black-hills-scan-2004-11-30"},{"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":"idaho-firewise-master-db","sourceName":"Fire Resistance of Plants Master Database","sourceUrl":"https://idahofirewise.org/wp-content/uploads/2017/04/FireXResistanceXofXPlantsXMasterXDatabase.pdf","geography":{"grain":"aggregate-region","stateCodes":["ID"],"regions":["Southern Idaho"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The official database labels itself \"For Southern Idaho\" and describes Idaho residents at the urban-rangeland interface. FireApproved publishes 419 existing plant owners that cite its scored rows. This bounded Southern Idaho scope is regional context, not statewide coverage or a conclusion that the score transfers unchanged to every Idaho site.","sourceVersion":"Idaho-Firewise-Southern-Idaho-Master-2013-11-08","asOf":"2013-11-08T00:00:00.000Z"},{"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":"nv-forestry-tahoe-landscaping-guide","sourceName":"Home Landscaping Guide for Lake Tahoe and Vicinity (Ed. Bulletin 06-01)","sourceUrl":"https://forestry.nv.gov/uploads/missions/20210304_AMT_2006_Home_Landscaping_Guide_Lake_Tahoe.pdf","geography":{"grain":"aggregate-region","stateCodes":["CA","NV"],"regions":["Lake Tahoe Basin"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Nevada Division of Forestry and University of Nevada Cooperative Extension publish Bulletin 06-01 for the Lake Tahoe Basin and vicinity. FireApproved publishes 83 exact rated owners as basin context across Nevada and California. Rough estimates are not statewide or site ratings.","sourceVersion":"Nevada-Extension-Bulletin-06-01-2006","asOf":"2006-01-01T00:00:00.000Z"}],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":["AK","AR","AZ","CA","CO","ID","KS","MN","MT","ND","NE","NM","NV","OK","OR","SD","TX","UT","WA","WY"],"invasiveIn":[],"usdaZoneMin":"3a"},"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."}