{"id":"tsuga","license":"CC-BY-4.0","data":{"scientificName":"Tsuga sp.","commonNames":["Hemlock"],"taxonRank":"genus","acceptedName":"Tsuga","family":"Pinaceae","ids":{"usdaSymbol":"TSUGA","gbifKey":8527396,"itisTsn":183396,"wikidataQid":"Q739430","inatTaxonId":48255},"states":["OR"],"plantForm":"tree","photo":{"file":"/images/plants/tsuga.jpg","sourceUrl":"https://www.inaturalist.org/photos/406659082","observationUrl":"https://www.inaturalist.org/observations/229114789","license":"cc0","attribution":"no rights reserved","fetchedOn":"2026-08-23T00:00:00.000Z"},"evidence":[{"source":"ashland-prohibited","verdict":"avoid","verdictRaw":"prohibited flammable plant","claims":"The City of Ashland restricts new planting or propagation within 30 ft of any structure, including structures on adjacent lots (AMC 9.04).","sourcePlacement":{"value":"new planting or propagation restricted within 30 ft of any structure","scheme":"ashland-amc"},"edition":"2025","url":"https://ashlandoregon.gov/DocumentCenter/View/3796/PLANT_LIST_PROHIBITED_BW_2025","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"firesafe-marin","verdict":"avoid","verdictRaw":"listed as fire-prone","claims":"Fire Safe Marin lists this taxon among common fire-prone plants in Marin County.","edition":"2019","url":"https://firesafemarin.org/wp-content/uploads/2021/08/FIRESafe-MARIN_plant-list_2019.pdf","accessedOn":"2026-08-24T00:00:00.000Z"},{"source":"lubin-shelly-1997-ucfpl-compilation","verdict":"avoid","verdictRaw":"Not recommended by 3 references for use in high fire risk areas.","claims":"1997 Landscape Vegetation Database row: Tsuga spp. (Hemlock). Preserved UCFPL transcription marker: U3.","plantPart":"whole-plant","sourcePlacement":{"value":"Chapter 4, Landscape Vegetation Database","scheme":"ucfpl-1997"},"edition":"Internal Report 36.01.137 (July 1997)","url":"https://www.firesafemonterey.org/uploads/1/0/6/5/10653434/uc_forestproductslabdefensiblespaceplantlist_ocr.pdf","documentDate":"1997-07-01T00:00:00.000Z","accessedOn":"2026-08-25T00:00:00.000Z"}],"flammabilityClass":"highly-flammable","ratingReason":"limited-evidence","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":["OR"],"nativeStates":[],"rangeAssertions":[{"relation":"documented-occurrence","geography":{"grain":"state","stateCodes":["OR"]},"provenance":"legacy-field"}],"usdaZoneMin":null,"usdaZoneMax":null,"hardinessAssertions":[],"hardinessSelection":{"status":"none","assertions":[]},"invasiveIn":[],"statusAssertions":[],"fireEvidenceClass":"highly-flammable","recommendation":"avoid","fireSourceScopes":[{"source":"ashland-prohibited","sourceName":"Prohibited Flammable Plants (Ashland Municipal Code 9.04)","sourceUrl":"https://ashlandoregon.gov/323/Prohibited-Flammable-Plants","geography":{"grain":"aggregate-region","stateCodes":["OR"],"regions":["City of Ashland"]},"completeness":"partial","reviewStatus":"reviewed","scope":"This is a City of Ashland adoption fact, not statewide Oregon guidance or an experimental flammability result. FireApproved publishes 24 taxonomy-safe owners as city-level regulatory context. It applies to new planting and propagation within 30 feet of structures, including structures on adjacent lots; it is not projected as a blanket removal order for every established listed plant.","sourceVersion":"Ashland-Prohibited-Flammable-Plants-2025","asOf":"2026-08-26T00:00:00.000Z"},{"source":"firesafe-marin","sourceName":"Fire-Resistant Plants Common to Marin County","sourceUrl":"https://firesafemarin.org/wp-content/uploads/2021/08/FIRESafe-MARIN_plant-list_2019.pdf","geography":{"grain":"aggregate-region","stateCodes":["CA"],"regions":["Marin County"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The publication is explicitly limited to plants common to Marin County. FireApproved publishes 104 exact owners as Marin regional context while retaining its placement, spacing, irrigation, and maintenance boundary. It is not statewide California guidance or parcel suitability.","sourceVersion":"Fire-Safe-Marin-plant-list-2019","asOf":"2019-01-01T00:00:00.000Z"},{"source":"lubin-shelly-1997-ucfpl-compilation","sourceName":"Defensible Space Landscaping in the Urban/Wildland Interface: A Compilation of Fire Performance Ratings of Residential Landscape Plants","sourceUrl":"https://www.firesafemonterey.org/uploads/1/0/6/5/10653434/uc_forestproductslabdefensiblespaceplantlist_ocr.pdf","geography":{"grain":"state","stateCodes":["CA"]},"completeness":"partial","reviewStatus":"reviewed","scope":"The UC Forest Products Laboratory says the guide covers properties of common California landscaping plants and was prepared for California fire agencies. FireApproved publishes 130 exact owners at historical California publication scope. The report is a 1997 compilation, not a current endorsement, site rating, or independent test of every row.","sourceVersion":"UCFPL-Internal-Report-36.01.137-1997-07","asOf":"1997-07-01T00:00:00.000Z"}],"firePerformanceConditions":[],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[]},"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."}