Sierra arnica (?)

July 22, 2022 • Pacific Crest Trail, Okanogan-Wenatchee National Forest • Okanogan County, Washington

Coordinates: 48.70078,-120.67492
Sierra arnica (?) (Arnica nevadensis) [Pacific Crest Trail, Okanogan-Wenatchee National Forest, Okanogan County, Washington]
Filename: 20220722-112613.jpg 3191x4786 pixels, ISO 200, f7.1 @ 1/800 sec
Arnica nevadensis

The other possibility is Arnica ovata, a.k.a. Arnica diversifolia.

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