Doellingeria (Eucephalus) vialis

Wayside Aster

Doellingeria vialis (Bradshaw) Semple, Brouillet and G.A. Allen is a rare rayless aster occurs in open oak or coniferous woods in Douglas, Jackson, Josephine, Lane, and Linn Counties in Oregon and Del Norte and Humboldt Counties in California (Allen 2006; Allen at al. 2019). The species has been treated as Eucephalus vialis Bradshaw and Aster vialis (Bradshaw) Blake.  The species is diploid 2n=18.  The species is of conservation concern.