{"id":"sequoiadendron-giganteum","license":"CC-BY-4.0","data":{"scientificName":"Sequoiadendron giganteum","commonNames":["Giant sequoia"],"taxonRank":"species","acceptedName":"Sequoiadendron giganteum","family":"Cupressaceae","ids":{"usdaSymbol":"SEGI2","gbifKey":2684120,"itisTsn":183438,"wikidataQid":"Q149851","inatTaxonId":59567},"usdaZoneMin":"7a","zoneSource":"fps-2016","states":["CA","DC","DE","MD","NJ","OH","PA","WV"],"rangeAssertions":[{"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"}],"hardinessAssertions":[{"minimum":"7","interpretation":"ambiguous-single-value","precision":"whole-zone","zoneMapping":"source-stated","applicability":"uncertain","applicabilityNotes":"The recovered selector prints one Cold Hardiness Zone value but does not define it as a minimum threshold or a one-zone range.","source":"fps-eastern-us","sourceRecordId":"sequoiadendron-giganteum","sourceTaxon":"Sequoiadendron giganteum","taxonMatch":"exact","sourcePlacement":"Cold Hardiness Zone field in the recovered selector record","sourceVersion":"2016-wayback","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-24,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"SEGI2","sourceTaxon":"Sequoiadendron giganteum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 15283, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"tree","matureHeightFt":150,"sun":"full","waterNeed":"moderate","photo":{"file":"/images/plants/sequoiadendron-giganteum.jpg","sourceUrl":"https://www.inaturalist.org/photos/50434","observationUrl":"https://www.inaturalist.org/observations/28374","license":"cc-by","attribution":"(c) folini, some rights reserved (CC BY)","fetchedOn":"2026-08-23T00:00:00.000Z"},"evidence":[{"source":"fps-eastern-us","verdict":"avoid","verdictRaw":"NOT Firewise (4)","claims":"Will grow in southeastern U.S. but do attain the size found in California.","sourcePlacement":{"value":"LZ3","scheme":"fps-landscape-zone"},"edition":"2016-wayback","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"idaho-firewise-master-db","verdict":"avoid","verdictRaw":"fire-resistance score 1 of 10","score":{"value":1,"scale":"idaho-0-10"},"sourcePlacement":{"value":"plantable at 100'+ from home","scheme":"idaho-distance"},"url":"https://idahofirewise.org/wp-content/uploads/2017/04/FireXResistanceXofXPlantsXMasterXDatabase.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"girona-pirojardineria-2020","verdict":"avoid","verdictRaw":"DESACONSEJADA","claims":"Sequoiadendron giganteum is rated “DESACONSEJADA” by the guide's qualitative IUF garden-suitability method. The method assumes species-specific care and integrates fire evidence with fuel structure, maintenance, origin, invasiveness, and expert fire-service experience.","sourcePlacement":{"value":"not suitable inside the 25-metre maximum-risk zone","scheme":"girona-2020-iuf-25m-suitability"},"edition":"2020 Spanish edition","url":"https://interior.gencat.cat/web/.content/home/030_arees_dactuacio/bombers/foc_forestal/publicacions_tecniques_i_normativa/guies_tecniques/prevencio_i_extincio/2020_Guia_de_pirojardineria_es.pdf","documentDate":"2020-01-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 14.28","score":{"value":14.28,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 609; Ignitability measurement; plant part litter; fuel all; predrying yes; device calorimeter; site Belcher2016-1; sampling ND. Primary study Belcher2016: Belcher, C. M. (2016). The influence of leaf morphology on litter flammability and its utility for interpreting palaeofire. Philosophical Transactions of the Royal Society B: Biological Sciences, 371, 20150163.","plantPart":"litter","original":"Belcher2016","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burning duration (s): 46.95","score":{"value":46.95,"scale":"FLAMITS — burning duration (s)"},"claims":"FLAMITS record 624; Sustainability measurement; plant part litter; fuel all; predrying yes; device calorimeter; site Belcher2016-1; sampling ND. Primary study Belcher2016: Belcher, C. M. (2016). The influence of leaf morphology on litter flammability and its utility for interpreting palaeofire. Philosophical Transactions of the Royal Society B: Biological Sciences, 371, 20150163.","plantPart":"litter","original":"Belcher2016","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum energy release rate (kW): 4.53","score":{"value":4.53,"scale":"FLAMITS — maximum energy release rate (kW)"},"claims":"FLAMITS record 639; Combustibility measurement; plant part litter; fuel all; predrying yes; device calorimeter; site Belcher2016-1; sampling ND. Primary study Belcher2016: Belcher, C. M. (2016). The influence of leaf morphology on litter flammability and its utility for interpreting palaeofire. Philosophical Transactions of the Royal Society B: Biological Sciences, 371, 20150163.","plantPart":"litter","original":"Belcher2016","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"calorific value (kcal/kg): 2413.47","score":{"value":2413.47,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 654; Combustibility measurement; plant part litter; fuel all; predrying yes; device calorimeter; site Belcher2016-1; sampling ND. Primary study Belcher2016: Belcher, C. M. (2016). The influence of leaf morphology on litter flammability and its utility for interpreting palaeofire. Philosophical Transactions of the Royal Society B: Biological Sciences, 371, 20150163.","plantPart":"litter","original":"Belcher2016","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 5.1","score":{"value":5.1,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 2635; Ignitability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2012-1; sampling summer. Primary study deMagalhaes2012: De Magalhães, R. M. Q., & Schwilk, D. W. (2012). Leaf traits and litter flammability: evidence for non-additive mixture effects in a temperate forest. Journal of Ecology, 100, 1153-1163.","plantPart":"litter","original":"deMagalhaes2012","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burning duration (s): 1880.1","score":{"value":1880.1,"scale":"FLAMITS — burning duration (s)"},"claims":"FLAMITS record 2643; Sustainability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2012-1; sampling summer. Primary study deMagalhaes2012: De Magalhães, R. M. Q., & Schwilk, D. W. (2012). Leaf traits and litter flammability: evidence for non-additive mixture effects in a temperate forest. Journal of Ecology, 100, 1153-1163.","plantPart":"litter","original":"deMagalhaes2012","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"rate of burning spread (cm/s): 0.09","score":{"value":0.09,"scale":"FLAMITS — rate of burning spread (cm/s)"},"claims":"FLAMITS record 2651; Sustainability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2012-1; sampling summer. Primary study deMagalhaes2012: De Magalhães, R. M. Q., & Schwilk, D. W. (2012). Leaf traits and litter flammability: evidence for non-additive mixture effects in a temperate forest. Journal of Ecology, 100, 1153-1163.","plantPart":"litter","original":"deMagalhaes2012","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame height (cm): 58.6","score":{"value":58.6,"scale":"FLAMITS — flame height (cm)"},"claims":"FLAMITS record 2659; Combustibility measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2012-1; sampling summer. Primary study deMagalhaes2012: De Magalhães, R. M. Q., & Schwilk, D. W. (2012). Leaf traits and litter flammability: evidence for non-additive mixture effects in a temperate forest. Journal of Ecology, 100, 1153-1163.","plantPart":"litter","original":"deMagalhaes2012","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burnt biomass (%): 88.5","score":{"value":88.5,"scale":"FLAMITS — burnt biomass (%)"},"claims":"FLAMITS record 2667; Consumability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2012-1; sampling summer. Primary study deMagalhaes2012: De Magalhães, R. M. Q., & Schwilk, D. W. (2012). Leaf traits and litter flammability: evidence for non-additive mixture effects in a temperate forest. Journal of Ecology, 100, 1153-1163.","plantPart":"litter","original":"deMagalhaes2012","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"calorific value (kcal/kg): 1726.86","score":{"value":1726.86,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 13467; Combustibility measurement; plant part leaves; fuel live; predrying yes; device calorimeter; site vanWagtendonk1998-1; sampling ND. Primary study vanWagtendonk1998: Van Wagdendonk, J., Sydoriak, W. M., & Benedict, J. M. (1998). Heat content variation of Sierra Nevada conifers. International Journal of Wildland Fire, 8, 147-158.","plantPart":"leaf","original":"vanWagtendonk1998","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"calorific value (kcal/kg): 1430.69","score":{"value":1430.69,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 13468; Combustibility measurement; plant part litter; fuel live; predrying yes; device calorimeter; site vanWagtendonk1998-1; sampling ND. Primary study vanWagtendonk1998: Van Wagdendonk, J., Sydoriak, W. M., & Benedict, J. M. (1998). Heat content variation of Sierra Nevada conifers. International Journal of Wildland Fire, 8, 147-158.","plantPart":"litter","original":"vanWagtendonk1998","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"calorific value (kcal/kg): 4760.2","score":{"value":4760.2,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 13469; Combustibility measurement; plant part leaves; fuel live; predrying yes; device calorimeter; site vanWagtendonk1998-1; sampling ND. Primary study vanWagtendonk1998: Van Wagdendonk, J., Sydoriak, W. M., & Benedict, J. M. (1998). Heat content variation of Sierra Nevada conifers. International Journal of Wildland Fire, 8, 147-158.","plantPart":"leaf","original":"vanWagtendonk1998","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"calorific value (kcal/kg): 4853.35","score":{"value":4853.35,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 13470; Combustibility measurement; plant part litter; fuel live; predrying yes; device calorimeter; site vanWagtendonk1998-1; sampling ND. Primary study vanWagtendonk1998: Van Wagdendonk, J., Sydoriak, W. M., & Benedict, J. M. (1998). Heat content variation of Sierra Nevada conifers. International Journal of Wildland Fire, 8, 147-158.","plantPart":"litter","original":"vanWagtendonk1998","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"calorific value (kcal/kg): 4803.19","score":{"value":4803.19,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 13543; Combustibility measurement; plant part wood; fuel live; predrying yes; device calorimeter; site vanWagtendonk1998-1; sampling ND. Primary study vanWagtendonk1998: Van Wagdendonk, J., Sydoriak, W. M., & Benedict, J. M. (1998). Heat content variation of Sierra Nevada conifers. International Journal of Wildland Fire, 8, 147-158.","original":"vanWagtendonk1998","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"calorific value (kcal/kg): 4757.81","score":{"value":4757.81,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 13544; Combustibility measurement; plant part wood; fuel live; predrying yes; device calorimeter; site vanWagtendonk1998-1; sampling ND. Primary study vanWagtendonk1998: Van Wagdendonk, J., Sydoriak, W. M., & Benedict, J. M. (1998). Heat content variation of Sierra Nevada conifers. International Journal of Wildland Fire, 8, 147-158.","original":"vanWagtendonk1998","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"calorific value (kcal/kg): 5051.59","score":{"value":5051.59,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 13545; Combustibility measurement; plant part wood; fuel live; predrying yes; device calorimeter; site vanWagtendonk1998-1; sampling ND. Primary study vanWagtendonk1998: Van Wagdendonk, J., Sydoriak, W. M., & Benedict, J. M. (1998). Heat content variation of Sierra Nevada conifers. International Journal of Wildland Fire, 8, 147-158.","original":"vanWagtendonk1998","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"calorific value (kcal/kg): 4862.9","score":{"value":4862.9,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 13546; Combustibility measurement; plant part wood; fuel live; predrying yes; device calorimeter; site vanWagtendonk1998-1; sampling ND. Primary study vanWagtendonk1998: Van Wagdendonk, J., Sydoriak, W. M., & Benedict, J. M. (1998). Heat content variation of Sierra Nevada conifers. International Journal of Wildland Fire, 8, 147-158.","original":"vanWagtendonk1998","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"maximum flame temperature (°C): 677.916","score":{"value":677.916,"scale":"FLAMITS — maximum flame temperature (°C)"},"claims":"FLAMITS record 15576; Combustibility measurement; plant part leaves; fuel all; predrying yes; device burning bench; site Zhang2022-1; sampling january and march 2011. Primary study Zhang2022: Zhang, S., Cornwell, W. K., Zhao, W., van Logtestijn, R. S., Krab, E. J., Aerts, R., & Cornelissen, J. H. (2022). Experimental evidence that leaf litter decomposability and flammability are decoupled across gymnosperm species. Journal of Ecology, 111, 761-772.","plantPart":"leaf","original":"Zhang2022","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flaming duration (s): 3.4","score":{"value":3.4,"scale":"FLAMITS — flaming duration (s)"},"claims":"FLAMITS record 15617; Sustainability measurement; plant part leaves; fuel all; predrying yes; device burning bench; site Zhang2022-1; sampling january and march 2011. Primary study Zhang2022: Zhang, S., Cornwell, W. K., Zhao, W., van Logtestijn, R. S., Krab, E. J., Aerts, R., & Cornelissen, J. H. (2022). Experimental evidence that leaf litter decomposability and flammability are decoupled across gymnosperm species. Journal of Ecology, 111, 761-772.","plantPart":"leaf","original":"Zhang2022","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 12.47","score":{"value":12.47,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 17016; Ignitability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 8.22","score":{"value":8.22,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 17017; Ignitability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 10.43","score":{"value":10.43,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 17018; Ignitability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 10.33","score":{"value":10.33,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 17019; Ignitability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burning duration (s): 1445.32","score":{"value":1445.32,"scale":"FLAMITS — burning duration (s)"},"claims":"FLAMITS record 17020; Sustainability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burning duration (s): 0","score":{"value":0,"scale":"FLAMITS — burning duration (s)"},"claims":"FLAMITS record 17021; Sustainability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burning duration (s): 0","score":{"value":0,"scale":"FLAMITS — burning duration (s)"},"claims":"FLAMITS record 17022; Sustainability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burning duration (s): 0","score":{"value":0,"scale":"FLAMITS — burning duration (s)"},"claims":"FLAMITS record 17023; Sustainability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame height (cm): 474","score":{"value":474,"scale":"FLAMITS — flame height (cm)"},"claims":"FLAMITS record 17024; Combustibility measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame height (cm): 0","score":{"value":0,"scale":"FLAMITS — flame height (cm)"},"claims":"FLAMITS record 17025; Combustibility measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame height (cm): 0","score":{"value":0,"scale":"FLAMITS — flame height (cm)"},"claims":"FLAMITS record 17026; Combustibility measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame height (cm): 50","score":{"value":50,"scale":"FLAMITS — flame height (cm)"},"claims":"FLAMITS record 17027; Combustibility measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burnt biomass (%): 40.78","score":{"value":40.78,"scale":"FLAMITS — burnt biomass (%)"},"claims":"FLAMITS record 17028; Consumability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burnt biomass (%): 33.33","score":{"value":33.33,"scale":"FLAMITS — burnt biomass (%)"},"claims":"FLAMITS record 17029; Consumability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burnt biomass (%): 0","score":{"value":0,"scale":"FLAMITS — burnt biomass (%)"},"claims":"FLAMITS record 17030; Consumability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"burnt biomass (%): 66.67","score":{"value":66.67,"scale":"FLAMITS — burnt biomass (%)"},"claims":"FLAMITS record 17031; Consumability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"rate of burning spread (cm/s): 0.046","score":{"value":0.046,"scale":"FLAMITS — rate of burning spread (cm/s)"},"claims":"FLAMITS record 17032; Sustainability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"rate of burning spread (cm/s): 0","score":{"value":0,"scale":"FLAMITS — rate of burning spread (cm/s)"},"claims":"FLAMITS record 17033; Sustainability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"rate of burning spread (cm/s): 0","score":{"value":0,"scale":"FLAMITS — rate of burning spread (cm/s)"},"claims":"FLAMITS record 17034; Sustainability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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"},{"source":"flamits","verdict":"not-rated","verdictRaw":"rate of burning spread (cm/s): 0","score":{"value":0,"scale":"FLAMITS — rate of burning spread (cm/s)"},"claims":"FLAMITS record 17035; Sustainability measurement; plant part litter; fuel all; predrying no; device burning bench; site deMagalhaes2017-1; sampling ND. Primary study deMagalhaes2017: de Magalhães, R. (2017). The effect of leaf traits on litter flammability in mixed-conifer forest. PhD. Dissertation. Texas Tech University.","plantPart":"litter","original":"deMagalhaes2017","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":"highly-flammable","ratingReason":"consensus","recommendation":"avoid","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-23T00:00:00.000Z","reviewNotes":"Photo auto-selected (top-voted iNat); human review pending."},"localAssessmentInputs":{"stateDistribution":["CA","DC","DE","MD","NJ","OH","PA","WV"],"nativeStates":[],"rangeAssertions":[{"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":"documented-occurrence","geography":{"grain":"state","stateCodes":["CA","DC","DE","MD","NJ","OH","PA","WV"]},"provenance":"legacy-field"}],"usdaZoneMin":"7a","usdaZoneMax":null,"hardinessAssertions":[{"minimum":"7","interpretation":"ambiguous-single-value","precision":"whole-zone","zoneMapping":"source-stated","applicability":"uncertain","applicabilityNotes":"The recovered selector prints one Cold Hardiness Zone value but does not define it as a minimum threshold or a one-zone range.","source":"fps-eastern-us","sourceRecordId":"sequoiadendron-giganteum","sourceTaxon":"Sequoiadendron giganteum","taxonMatch":"exact","sourcePlacement":"Cold Hardiness Zone field in the recovered selector record","sourceVersion":"2016-wayback","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-24,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"SEGI2","sourceTaxon":"Sequoiadendron giganteum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 15283, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}],"hardinessSelection":{"status":"selected","assertion":{"minimum":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-24,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"SEGI2","sourceTaxon":"Sequoiadendron giganteum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 15283, 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":"7","interpretation":"ambiguous-single-value","precision":"whole-zone","zoneMapping":"source-stated","applicability":"uncertain","applicabilityNotes":"The recovered selector prints one Cold Hardiness Zone value but does not define it as a minimum threshold or a one-zone range.","source":"fps-eastern-us","sourceRecordId":"sequoiadendron-giganteum","sourceTaxon":"Sequoiadendron giganteum","taxonMatch":"exact","sourcePlacement":"Cold Hardiness Zone field in the recovered selector record","sourceVersion":"2016-wayback","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"},{"minimum":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-24,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"SEGI2","sourceTaxon":"Sequoiadendron giganteum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 15283, 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":"highly-flammable","recommendation":"avoid","fireSourceScopes":[{"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"}],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":["CA"],"invasiveIn":[],"usdaZoneMin":"4b"},"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."}