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Pennsylvania"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["RI"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 75 — Northeastern U.S.A.","TDWG level 3 RHO — Rhode I."]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"native","geography":{"grain":"state","stateCodes":["SC"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 SCA — South Carolina"]},"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 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name"}}],"hardinessAssertions":[{"minimum":"4b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-23,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"SCSC","sourceTaxon":"Schizachyrium scoparium","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 25478, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"grass","matureHeightFt":3,"waterNeed":"low","photo":{"file":"/images/plants/schizachyrium-scoparium.jpg","sourceUrl":"https://www.inaturalist.org/photos/103310661","observationUrl":"https://www.inaturalist.org/observations/64276736","license":"cc0","attribution":"no rights reserved","fetchedOn":"2026-08-23T00:00:00.000Z"},"evidence":[{"source":"idaho-firewise-master-db","verdict":"avoid","verdictRaw":"fire-resistance score 3 of 10","score":{"value":3,"scale":"idaho-0-10"},"sourcePlacement":{"value":"plantable at 80' from home","scheme":"idaho-distance"},"url":"https://idahofirewise.org/wp-content/uploads/2017/04/FireXResistanceXofXPlantsXMasterXDatabase.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"osu-b921","verdict":"avoid","verdictRaw":"H flammability","claims":"Tolerates full sun; requires good drainage; clump forming.","sourcePlacement":{"value":"plant in Zone 2-3 or beyond","scheme":"b921-siting"},"edition":"2006","url":"http://web.archive.org/web/20070714035936/http://www.firewise.org/usa/files/ohio_plantlist.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"flame height (cm): 70","score":{"value":70,"scale":"FLAMITS — flame height (cm)"},"claims":"FLAMITS record 3224; Combustibility measurement; plant part leaves; fuel live; predrying no; device burning bench; site Emery2020-1; sampling january to february. Primary study Emery2020: Emery, R. K., & Hart, J. L. (2020). Flammability characteristics of surface fuels in a longleaf pine (Pinus palustris Mill.) woodland. Fire, 3, 39.","plantPart":"leaf","original":"Emery2020","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): 51","score":{"value":51,"scale":"FLAMITS — flaming duration (s)"},"claims":"FLAMITS record 3225; Sustainability measurement; plant part leaves; fuel live; predrying no; device burning bench; site Emery2020-1; sampling january to february. Primary study Emery2020: Emery, R. K., & Hart, J. L. (2020). Flammability characteristics of surface fuels in a longleaf pine (Pinus palustris Mill.) woodland. Fire, 3, 39.","plantPart":"leaf","original":"Emery2020","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":"smouldering duration (s): 56","score":{"value":56,"scale":"FLAMITS — smouldering duration (s)"},"claims":"FLAMITS record 3226; Sustainability measurement; plant part leaves; fuel live; predrying no; device burning bench; site Emery2020-1; sampling january to february. Primary study Emery2020: Emery, R. K., & Hart, J. L. (2020). Flammability characteristics of surface fuels in a longleaf pine (Pinus palustris Mill.) woodland. Fire, 3, 39.","plantPart":"leaf","original":"Emery2020","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 (%): 87.6","score":{"value":87.6,"scale":"FLAMITS — burnt biomass (%)"},"claims":"FLAMITS record 3227; Consumability measurement; plant part leaves; fuel live; predrying no; device burning bench; site Emery2020-1; sampling january to february. Primary study Emery2020: Emery, R. K., & Hart, J. L. (2020). Flammability characteristics of surface fuels in a longleaf pine (Pinus palustris Mill.) woodland. Fire, 3, 39.","plantPart":"leaf","original":"Emery2020","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":"energy flux (kW/m²): 19","score":{"value":19,"scale":"FLAMITS — energy flux (kW/m²)"},"claims":"FLAMITS record 9904; Combustibility measurement; plant part whole plant; fuel live; predrying no; device radiant panel; site Overholt2014-1; sampling ND. Primary study Overholt2014: Overholt, K., Cabrera, J., Kurzawski, A., Koopersmith, M., & Ezekoye, O. (2014). Characterization of fuel properties and fire spread rates for little bluestem grass. Fire Technology, 50, 9-38.","plantPart":"whole-plant","original":"Overholt2014","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): 3917.07","score":{"value":3917.07,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 9905; Combustibility measurement; plant part whole plant; fuel live; predrying no; device radiant panel; site Overholt2014-1; sampling ND. Primary study Overholt2014: Overholt, K., Cabrera, J., Kurzawski, A., Koopersmith, M., & Ezekoye, O. (2014). Characterization of fuel properties and fire spread rates for little bluestem grass. Fire Technology, 50, 9-38.","plantPart":"whole-plant","original":"Overholt2014","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): 4213.67578","score":{"value":4213.67578,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 17999; Combustibility measurement; plant part leaves; fuel live; predrying no; device flat flame burner; site Safdari2018-1; sampling ND. Primary study Safdari2018: Safdari, M.-S., Rahmati, M., Amini, E., Howarth, J. E., Berryhill, J. P., Dietenberger, M., … Fletcher, T. H. (2018). Characterization of pyrolysis products from fast pyrolysis of live and dead vegetation native to the Southern United States. Fuel, 229, 151–166.","plantPart":"leaf","original":"Safdari2018","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): 4562.62454","score":{"value":4562.62454,"scale":"FLAMITS — calorific value (kcal/kg)"},"claims":"FLAMITS record 18013; Combustibility measurement; plant part leaves; fuel live; predrying no; device flat flame burner; site Safdari2018-1; sampling ND. Primary study Safdari2018: Safdari, M.-S., Rahmati, M., Amini, E., Howarth, J. E., Berryhill, J. P., Dietenberger, M., … Fletcher, T. H. (2018). Characterization of pyrolysis products from fast pyrolysis of live and dead vegetation native to the Southern United States. Fuel, 229, 151–166.","plantPart":"leaf","original":"Safdari2018","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":"yavapai-34","verdict":"avoid","verdictRaw":"Fire-Prone Plants","claims":"Listed as Li le bluestem — Schizachyrium scoparium. 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":"sun-city-tx-firewise-plant-guide-2015","verdict":"avoid","verdictRaw":"high","claims":"The table rates Little Bluestem — Schizachrium scoparium high for flammability hazard, defined as the ease a plant can burn at high temperatures for a prolonged time.","plantPart":"whole-plant","sourcePlacement":{"value":"Ornamental Grasses","scheme":"Sun City plant-table sections"},"edition":"updated January 14, 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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":"osu-b921","sourceName":"Firewise Landscaping (OSU Extension Bulletin 921)","sourceUrl":"http://web.archive.org/web/20070714035936/http://www.firewise.org/usa/files/ohio_plantlist.pdf","geography":{"grain":"state","stateCodes":["OH"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Ohio State University Extension Bulletin 921 is an Ohio publication that describes Ohio fire seasons and landscape conditions and labels nativity to Ohio. FireApproved publishes 352 exact source-owning plant records from its eight rated tables. This historical publication scope does not assert current extension endorsement or that a listed plant suits every Ohio site.","sourceVersion":"OSU-Extension-Bulletin-921-2006","asOf":"2006-03-01T00:00:00.000Z"},{"source":"sun-city-tx-firewise-plant-guide-2015","sourceName":"Firewise Plant Guide","sourceUrl":"http://web.archive.org/web/20250114065810/https://www.sariverauthority.org/wp-content/uploads/2023/09/FIREWISE-PLANT-LIST-Sun-City.pdf","geography":{"grain":"aggregate-region","stateCodes":["TX"],"regions":["Sun City Texas, Georgetown"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The guide is authored for the Sun City Texas community in Georgetown. FireApproved publishes 142 exact owners only as community-level context. It is an archived HOA exhibit with unknown rating lineage, not a current statewide Texas source or an independent Tier 1 determination.","sourceVersion":"Sun-City-Texas-Firewise-guide-2015-01-14","asOf":"2015-01-14T00:00:00.000Z"},{"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":["AL","AR","CA","CO","CT","DC","DE","FL","GA","IA","ID","IL","IN","KS","KY","LA","MA","MD","MI","MN","MO","MS","MT","NC","ND","NE","NH","NJ","NM","NY","OH","OK","PA","RI","SC","SD","TN","TX","UT","VA","VT","WA","WI","WV","WY"],"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."}