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Firs Abies

Most rated Abies records are keep-away — 6 of 19 records, including the genus rated as a group. These counts describe the cited records — 19 records carrying 216 evidence rows from 39 cited sources; they do not make one verdict for the genus.

Rated as a group: Fir Abies sp. Keep away Limited evidence 27 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

Keep away

5 species

Awaiting evidence

11 species

About firs

Corpus context. Abies is the directory's #16 largest of 550 genus groups: 19 records carrying 216 evidence rows from 39 cited sources, recorded as tree , hardy across USDA zones 3–4. Those are corpus facts, not a whole-genus flammability claim.

Where rated firs grow

Tagged as growing in 35 states.

Two sourced specimen panels compare the four-sided needles of Engelmann spruce with the flattened needles of subalpine fir. A schematic section shows why the spruce needle rolls between fingertips while the fir needle stays flat.
FA Exhibit ID-003. Spruce or fir: roll a needle. Morphology from USFS FEIS PICENG and ABILAS. Specimens after Sudworth 1908, figs. 29 and 38, public domain. Identification only — no flammability claim. Confirm uncertain material with a regional key or a botanist. CC BY 4.0.

See Abies on Grow → · JSON