[Asters: The Genus Eucephalus West of the Cascade Mountains of Oregon and Washington]

Siskiyou Aster, Siskiyou Rayless Aster, Smooth Aster, Smooth Rayless Aster

Eucephalus glabratus

Synonyms: Aster brickellioides var. glabratus, Aster siskiyouensis

Siskiyou Aster, Siskiyou Rayless Aster, Smooth Aster, Smooth Rayless Aster: Eucephalus glabratus (Synonyms: Aster brickellioides var. glabratus, Aster siskiyouensis)

Siskiyou Aster, Siskiyou Rayless Aster, Smooth Aster, Smooth Rayless Aster: Eucephalus glabratus (Synonyms: Aster brickellioides var. glabratus, Aster siskiyouensis) - Siskiyou Aster, Siskiyou Rayless Aster, Smooth Aster, Smooth Rayless Aster: Eucephalus glabratus (Synonyms: Aster brickellioides var. glabratus, Aster siskiyouensis) - Siskiyou Aster, Siskiyou Rayless Aster, Smooth Aster, Smooth Rayless Aster: Eucephalus glabratus (Synonyms: Aster brickellioides var. glabratus, Aster siskiyouensis)

Siskiyou Aster, Siskiyou Rayless Aster, Smooth Aster, Smooth Rayless Aster: Eucephalus glabratus (Synonyms: Aster brickellioides var. glabratus, Aster siskiyouensis)

Siskiyou rayless aster beginning to bloom on rocky, open slopes along the Pacific Crest Trail about 2 miles southeast of Red Buttes, Klamath National Forest, Klamath National Forest, Siskiyou County, CA......July 14, 2020.
Paul Slichter