Siskiyou Aster
Doellingeria glabrata (Greene) Semple, Brouillet & G.A. Allen is native to dry open oak or coniferous forest or chaparral in the Klamath Mts. of northern California and southwestern Oregon (Allen 2006 FNA; Allen et al. 2019). The 0-4 rayed taxa in the genus are difficult to distinguish in northern California and may intergrade (Allen 2006 FNA). The following names are synonyms: Aster brickellioides Greene var. glabratus Greene, A. siskiyouensis A. Nelson & J. F. Macbride, Eucephalus glabratus (Greene) Greene, Eucephalus glandulosus Eastwood.
Allen, G.A., L. Brouillet, J.C. Semple, H.J. Guest, and R. Underhill. 2019. Diversification of the North American Doellingeria-Eucephalus Clade (Astereae: Asteraceae) as inferred from molecular and morphological evidence. Syst. Bot. 44(4): 930-942.
Last updated 27 March 2025 by J.C. Semple
© 2025 J.C. Semple, including all photographs unless otherwise indicated