{"id":"quercus-nuttallii","license":"CC-BY-4.0","data":{"scientificName":"Quercus nuttallii","commonNames":["Nuttal oak"],"taxonRank":"species","acceptedName":"Quercus texana","family":"Fagaceae","ids":{"usdaSymbol":"QUTE","gbifKey":2878115,"itisTsn":195169,"wikidataQid":"Q7271351","inatTaxonId":167670},"usdaZoneMin":"6a","zoneSource":"fps-2016","states":["AL","AR","DC","DE","IL","KY","LA","MD","MO","MS","NJ","OH","OK","PA","TN","TX","WV"],"hardinessAssertions":[{"minimum":"6","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":"quercus-nuttallii","sourceTaxon":"Quercus nuttallii","taxonMatch":"exact","sourcePlacement":"Cold Hardiness Zone field in the recovered selector record","sourceVersion":"2016-wayback","asOf":"2026-08-26T00:00:00.000Z"},{"minimum":"5a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-18,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"QUTE","sourceTaxon":"Quercus nuttallii","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 70501, Temperature, Minimum (°F)","sourceVersion":"PLANTS Help Document 2022; characteristics cache retrieved 2026-08-23","asOf":"2026-08-26T00:00:00.000Z"}],"plantForm":"tree","matureHeightFt":40,"sun":"full","waterNeed":"moderate","photo":{"file":"/images/plants/quercus-nuttallii.jpg","sourceUrl":"https://www.inaturalist.org/photos/38636284","observationUrl":"https://www.inaturalist.org/observations/24972776","license":"cc-by","attribution":"(c) Joseph McPhail, some rights reserved (CC BY)","fetchedOn":"2026-08-24T00:00:00.000Z"},"evidence":[{"source":"fps-eastern-us","verdict":"recommend","verdictRaw":"Firewise (1)","claims":"South central U.S. Tree.","sourcePlacement":{"value":"LZ3","scheme":"fps-landscape-zone"},"edition":"2016-wayback","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"sun-city-tx-firewise-plant-guide-2015","verdict":"recommend","verdictRaw":"low","claims":"The table rates Oak, Texas Red — Quercus texana low for flammability hazard, defined as the ease a plant can burn at high temperatures for a prolonged time.","plantPart":"whole-plant","sourcePlacement":{"value":"Hardwood Trees","scheme":"Sun City plant-table sections"},"edition":"updated January 14, 2015","url":"http://web.archive.org/web/20250114065810/https://www.sariverauthority.org/wp-content/uploads/2023/09/FIREWISE-PLANT-LIST-Sun-City.pdf","documentDate":"2015-01-14T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"}],"flammabilityClass":"fire-resistant","ratingReason":"limited-evidence","recommendation":"on-list","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-23T00:00:00.000Z","reviewNotes":"Photo replaced 2026-08-24 (joint review; prior auto-pick was not a usable reference image); human-reviewed."},"localAssessmentInputs":{"stateDistribution":["AL","AR","DC","DE","IL","KY","LA","MD","MO","MS","NJ","OH","OK","PA","TN","TX","WV"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["AL","AR","DC","DE","IL","KY","LA","MD","MO","MS","NJ","OH","OK","PA","TN","TX","WV"]},"provenance":"legacy-field"}],"usdaZoneMin":"6a","usdaZoneMax":null,"hardinessAssertions":[{"minimum":"6","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":"quercus-nuttallii","sourceTaxon":"Quercus nuttallii","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":"5a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-18,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"QUTE","sourceTaxon":"Quercus nuttallii","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 70501, 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":"5a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-18,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"QUTE","sourceTaxon":"Quercus nuttallii","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 70501, 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":"6","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":"quercus-nuttallii","sourceTaxon":"Quercus nuttallii","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":"5a","interpretation":"minimum-threshold","precision":"half-zone","zoneMapping":"derived-containing-band","sourceMeasurement":{"kind":"minimum-temperature","value":-18,"unit":"degrees-fahrenheit"},"applicability":"applicable","source":"usda-plants-characteristics","sourceRecordId":"QUTE","sourceTaxon":"Quercus nuttallii","taxonMatch":"source-identifier","sourcePlacement":"PlantCharacteristics record 70501, 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":"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"}],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[],"usdaZoneMin":"5a"},"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."}