Henderson's Aster, Kootenai Aster
Symphyotrichum hendersonii
Synonyms: Aster foliaceus, Aster foliaceus var. lyallii, Aster hendersonii
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Kootenai aster beginning to bloom in wet meadows along the Pacific Crest Trail #2000 on the south side of Mt. Ashland, Klamath National Forest, Jackson County, OR......July 22, 2021.
Paul Slichter