FireApproved

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Oaks Quercus

Most rated Quercus records are fire-resistant — 31 of 76 records, including the genus rated as a group. These counts describe the cited records — 76 records carrying 1651 evidence rows from 138 cited sources; they do not make one verdict for the genus.

Rated as a group: Oak Quercus spp. Fire-resistant Consensus 55 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

30 species

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Keep away

6 species

Documented conflict

4 species

honest ties — treat conservatively near structures
Awaiting evidence

35 species

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About oaks

Corpus context. Quercus is the directory's #1 largest of 550 genus groups: 76 records carrying 1651 evidence rows from 138 cited sources, recorded as tree, shrub , hardy across USDA zones 2–9. Those are corpus facts, not a whole-genus flammability claim.

FEIS-reviewed species in this group (2)

Each link is exact-species context. No statement rolls up to every member of Quercus.

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

Where rated oaks grow

Tagged as growing in 50 states.

An exact Garry oak botanical plate is labeled with source-grounded leaf-lobe and acorn characters. The portrait is not a complete oak key and makes no flammability claim.
FA Exhibit PORT-001. Quercus portrait: Garry oak leaf + acorn. After Sudworth 1908, fig. 125, and USFS FEIS QUEGAR. Public-domain plate. Identification only — no flammability claim. Confirm uncertain material with a regional key or a botanist. CC BY 4.0.

See Quercus on Grow → · JSON