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FA Exhibit ID-002

Count the needles: ponderosa, lodgepole, western white

Three equal specimen panels traced from public-domain United States Forest Service plates. Pacific and Columbia ponderosa pine has needles in bundles of three. Rocky Mountain lodgepole pine has two needles per fascicle, rarely three. Western white pine has needles in bundles of five. The sheet warns that bundle count narrows an identification but does not complete a botanical key.
FA Exhibit ID-002. Count the needles: ponderosa, lodgepole, western white pine. Morphology from USFS FEIS PINPONP, PINCONL and PINMOT. Specimens after Sudworth, Forest Trees of the Pacific Slope (USFS, 1908), public domain. 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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