{"id":"ulmus-parvifolia","license":"CC-BY-4.0","data":{"scientificName":"Ulmus parvifolia","commonNames":["Lacebark elm"],"taxonRank":"species","acceptedName":"Ulmus parvifolia","family":"Ulmaceae","ids":{"usdaSymbol":"ULPA","gbifKey":5361869,"itisTsn":19055,"wikidataQid":"Q1074099","inatTaxonId":79462},"usdaZoneMin":"5a","zoneSource":"fps-2016","states":["AR","AZ","CA","CO","DC","DE","FL","GA","KY","LA","MA","MD","ME","NC","NJ","NV","OH","OK","PA","VA","WV"],"rangeAssertions":[{"relation":"introduced","geography":{"grain":"state","stateCodes":["AL"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 ALA — Alabama"]},"occurrenceStatus":"present","presenceStatus":"extant","source":"wcvp-v16","sourceVersion":"16","asOf":"2026-06-04T00:00:00.000Z"},{"relation":"introduced","geography":{"grain":"state","stateCodes":["AR"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 ARK — 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storms.","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":"va-firescapes","verdict":"recommend","verdictRaw":"L flammability","claims":"Urban tolerant. Resistant to most insect and disease problems.","edition":"2009","url":"http://web.archive.org/web/20090709143736/http://pubs.ext.vt.edu/430/430-300/430-300.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"ut-sp685","verdict":"recommend","verdictRaw":"listed Firewise plant","original":"va-firescapes","url":"https://utia.tennessee.edu/publications/wp-content/uploads/sites/269/2023/10/SP685.pdf","accessedOn":"2026-08-23T00:00:00.000Z"},{"source":"uts-2023-street-trees","verdict":"mixed","verdictRaw":"Measured; four flammability-attribute rankings were not concordant","claims":"Shoot time-to-flame, flame duration, flaming events, and flame temperature were compared without an overall class.","plantPart":"shoot","condition":"irrigated","edition":"2023","url":"https://opus.lib.uts.edu.au/rest/bitstreams/7110bce9-8388-4126-9775-748b4d1cd95c/retrieve","documentDate":"2023-11-17T00:00:00.000Z","accessedOn":"2026-08-24T00:00:00.000Z"},{"source":"flamits","verdict":"not-rated","verdictRaw":"time to flaming (s): 191.5","score":{"value":191.5,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 17496; Ignitability measurement; plant part wood; fuel live; predrying no; device burning bench; site Lizhong2007-1; sampling ND. Primary study Lizhong2007: Lizhong, Y., Zaifu, G., Yupeng, Z., & Weicheng, F. (2007). The influence of different external heating ways on pyrolysis and spontaneous ignition of some woods. Journal of Analytical and Applied Pyrolysis, 78, 40–45.","original":"Lizhong2007","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): 146","score":{"value":146,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 17500; Ignitability measurement; plant part wood; fuel live; predrying no; device burning bench; site Lizhong2007-1; sampling ND. Primary study Lizhong2007: Lizhong, Y., Zaifu, G., Yupeng, Z., & Weicheng, F. (2007). The influence of different external heating ways on pyrolysis and spontaneous ignition of some woods. Journal of Analytical and Applied Pyrolysis, 78, 40–45.","original":"Lizhong2007","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): 98","score":{"value":98,"scale":"FLAMITS — time to flaming (s)"},"claims":"FLAMITS record 17507; Ignitability measurement; plant part wood; fuel live; predrying no; device burning bench; site Lizhong2007-1; sampling ND. Primary study Lizhong2007: Lizhong, Y., Zaifu, G., Yupeng, Z., & Weicheng, F. (2007). The influence of different external heating ways on pyrolysis and spontaneous ignition of some woods. Journal of Analytical and Applied Pyrolysis, 78, 40–45.","original":"Lizhong2007","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":"mass loss rate per area (g/m² s): 13.3","score":{"value":13.3,"scale":"FLAMITS — mass loss rate per area (g/m² s)"},"claims":"FLAMITS record 17520; Combustibility measurement; plant part wood; fuel live; predrying no; device burning bench; site Lizhong2007-1; sampling ND. Primary study Lizhong2007: Lizhong, Y., Zaifu, G., Yupeng, Z., & Weicheng, F. (2007). The influence of different external heating ways on pyrolysis and spontaneous ignition of some woods. Journal of Analytical and Applied Pyrolysis, 78, 40–45.","original":"Lizhong2007","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":"mass loss rate per area (g/m² s): 25.6","score":{"value":25.6,"scale":"FLAMITS — mass loss rate per area (g/m² s)"},"claims":"FLAMITS record 17524; Combustibility measurement; plant part wood; fuel live; predrying no; device burning bench; site Lizhong2007-1; sampling ND. Primary study Lizhong2007: Lizhong, Y., Zaifu, G., Yupeng, Z., & Weicheng, F. (2007). The influence of different external heating ways on pyrolysis and spontaneous ignition of some woods. Journal of Analytical and Applied Pyrolysis, 78, 40–45.","original":"Lizhong2007","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":"mass loss rate per area (g/m² s): 30","score":{"value":30,"scale":"FLAMITS — mass loss rate per area (g/m² s)"},"claims":"FLAMITS record 17531; Combustibility measurement; plant part wood; fuel live; predrying no; device burning bench; site Lizhong2007-1; sampling ND. Primary study Lizhong2007: Lizhong, Y., Zaifu, G., Yupeng, Z., & Weicheng, F. (2007). The influence of different external heating ways on pyrolysis and spontaneous ignition of some woods. Journal of Analytical and Applied Pyrolysis, 78, 40–45.","original":"Lizhong2007","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":"fire-resistant","ratingReason":"limited-evidence","recommendation":"on-list","author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-23T00:00:00.000Z","reviewNotes":"Photo auto-selected (top-voted iNat); human review pending."},"localAssessmentInputs":{"stateDistribution":["AR","AZ","CA","CO","DC","DE","FL","GA","KY","LA","MA","MD","ME","NC","NJ","NV","OH","OK","PA","VA","WV"],"nativeStates":[],"rangeAssertions":[{"relation":"introduced","geography":{"grain":"state","stateCodes":["AL"],"regions":["TDWG level 1 7 — NORTHERN AMERICA","TDWG level 2 78 — Southeastern U.S.A.","TDWG level 3 ALA — 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Most table rows are a carrier of Virginia Firescapes rather than an independent rating; Tennessee source scope does not change that lineage or establish site suitability.","sourceVersion":"UT-Extension-SP685-2006-10-24","asOf":"2006-10-24T00:00:00.000Z"},{"source":"va-firescapes","sourceName":"Virginia Firescapes — Firewise Landscaping for Woodland Homes (430-300)","sourceUrl":"http://web.archive.org/web/20090709143736/http://pubs.ext.vt.edu/430/430-300/430-300.pdf","geography":{"grain":"state","stateCodes":["VA"]},"completeness":"partial","reviewStatus":"reviewed","scope":"Virginia Cooperative Extension's publication opens with Virginia wildfire conditions, identifies its Virginia Firewise Landscaping Task Force, and labels plants native to Virginia. FireApproved publishes 306 exact source owners. Publication scope does not establish parcel suitability or current endorsement of this archived 2009 list.","sourceVersion":"Virginia-VCE-430-300-2009","asOf":"2009-04-15T00:00:00.000Z"}],"firePerformanceConditions":[{"condition":"irrigated","evidence":[{"source":"uts-2023-street-trees","verdict":"mixed","url":"https://opus.lib.uts.edu.au/rest/bitstreams/7110bce9-8388-4126-9775-748b4d1cd95c/retrieve","claims":"Shoot time-to-flame, flame duration, flaming events, and flame temperature were compared without an overall class.","evidenceIndex":4}]}],"maintenanceAssertions":[],"maintenanceConditions":null,"regulatoryReviews":{},"seedReviews":{}},"legacyCompatibilityProjection":{"nativeStates":[],"invasiveIn":[],"usdaZoneMin":"5b"},"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."}