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Mountain Ashes Sorbus

Every rated Sorbus record is fire-resistant — 4 of 6 records, including the genus rated as a group; none is condemned. These counts describe the cited records — 6 records carrying 20 evidence rows from 16 cited sources; they do not make one verdict for the genus.

Rated as a group: Mountain Ash Sorbus spp. Fire-resistant Limited evidence 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

3 species

Awaiting evidence

2 species

About mountain ashes

Corpus context. Sorbus is the directory's #134 largest of 550 genus groups: 6 records carrying 20 evidence rows from 16 cited sources, recorded as tree, shrub , hardy across USDA zones 2–7. Those are corpus facts, not a whole-genus flammability claim.

More about Sorbus: Wikipedia — external references; not evidence sources.

Where rated mountain ashes grow

Tagged as growing in 39 states.

See Sorbus on Grow → · JSON