FA Exhibit PORT-003. Pinus portrait: ponderosa pine needles and cone. After Sudworth 1908, fig. 13, and USFS FEIS PINPONP. Public-domain plate. Identification only — no flammability claim. Confirm uncertain material with a regional key or a botanist. CC BY 4.0.
Technical review: Grayson Graham. Last verified 2026-08-25. JSON
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<img src="https://fireapproved.com/diagrams/port-003-pinus-ponderosa-pine.svg" alt="An exact ponderosa pine botanical plate is labeled with source-grounded needle-bundle and cone characters. The portrait is not a complete pine key and makes no flammability claim." />
