{"id":"agropyron-trichophorum","license":"CC-BY-4.0","data":{"scientificName":"Agropyron trichophorum","commonNames":["Pubescent wheatgrass"],"taxonRank":"species","acceptedName":"Thinopyrum intermedium","family":"Poaceae","synonyms":["Agropyron trichophorum"],"ids":{"usdaSymbol":"THIN6","gbifKey":4932599},"usdaZoneMin":"3b","zoneSource":"usda-plants","states":["AZ","CA","CO","GA","IA","ID","MA","MT","ND","NE","NJ","NM","NV","NY","OR","SD","TX","UT","WA","WY"],"invasiveIn":[{"state":"L48","status":"invasive-reported","source":"us-riis"}],"hardinessAssertions":[{"minimum":"3b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-32,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"THIN6","sourceTaxon":"Agropyron trichophorum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 25997, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"grass","matureHeightFt":2,"waterNeed":"low","evidence":[{"source":"nord-green-1977-psw124","verdict":"recommend","verdictRaw":"Grass species recommended for fuelbreak sites in California","claims":"Pubescent wheatgrass is printed in Table 2's California fuelbreak recommendation.","sourcePlacement":{"value":"Table 2: Grass species recommended for fuelbreak sites in California","scheme":"nord-green-brushland-clearing-performance"},"edition":"PSW-124","url":"https://research.fs.usda.gov/download/treesearch/28938.pdf","documentDate":"1977-01-01T00:00:00.000Z","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":["AZ","CA","CO","GA","IA","ID","MA","MT","ND","NE","NJ","NM","NV","NY","OR","SD","TX","UT","WA","WY"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["AZ","CA","CO","GA","IA","ID","MA","MT","ND","NE","NJ","NM","NV","NY","OR","SD","TX","UT","WA","WY"]},"provenance":"legacy-field"}],"usdaZoneMin":"3b","usdaZoneMax":null,"hardinessAssertions":[{"minimum":"3b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-32,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"THIN6","sourceTaxon":"Agropyron trichophorum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 25997, 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":"3b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-32,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"THIN6","sourceTaxon":"Agropyron trichophorum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 25997, 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":"3b","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-32,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"THIN6","sourceTaxon":"Agropyron trichophorum","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 25997, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z","provenance":"cited"}]},"invasiveIn":[{"state":"L48","status":"invasive-reported","source":"us-riis"}],"statusAssertions":[{"status":"invasive","channel":"ecological","geography":{"grain":"aggregate-region","regions":["L48"]},"source":"us-riis","provenance":"legacy-field"}],"fireEvidenceClass":"fire-resistant","recommendation":"on-list","fireSourceScopes":[],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[{"state":"L48","status":"invasive-reported","source":"us-riis"}],"usdaZoneMin":"3b"},"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."}