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Creepers Parthenocissus

Every rated Parthenocissus record is fire-resistant — 3 of 3 records, including the genus rated as a group; none is condemned. These counts describe the cited records — 3 records carrying 21 evidence rows from 17 cited sources; they do not make one verdict for the genus.

Rated as a group: Boston Ivy, Virginia creeper Parthenocissus sp. Fire-resistant Consensus 3 sources rate the genus as a whole. Species evidence never rolls upward into a genus verdict, and genus claims never override a species record.
Fire-resistant

2 species

About creepers

Corpus context. Parthenocissus is the directory's #335 largest of 550 genus groups: 3 records carrying 21 evidence rows from 17 cited sources, recorded as vine , hardy across USDA zones 4–5. Those are corpus facts, not a whole-genus flammability claim.

Where rated creepers grow

Tagged as growing in 40 states.

Three equal-weight public-domain botanical specimens compare Virginia creeper's five leaflets, juvenile English ivy's one simple lobed leaf, and eastern poison-ivy's three leaflets. A safety banner says not to handle an unknown three-leaflet vine.
FA Exhibit ID-010. Three vines on your fence: Virginia creeper, English ivy, poison ivy. Morphology from USFS FEIS PARQUI, HEDHEL and TOXSPP. Safety guidance from NIOSH 2010-118. Plates: Britton & Brown 1913 and Thomé 1885, public domain. Identification only — no flammability claim. Confirm uncertain material with a regional key or a botanist. CC BY 4.0.

See Parthenocissus on Grow → · JSON