FA Exhibit PORT-002. Acer portrait: bigleaf maple leaf and samara. After Sudworth 1908, fig. 182, and USFS FEIS ACEMAC. 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-002-acer-bigleaf-maple.svg" alt="An exact bigleaf maple botanical plate is labeled with source-grounded leaf-span and bristly biwinged samara characters. The portrait is not a complete maple key and makes no flammability claim." />
