Eucephalus glaucescens (A. Gray) Greene is native to open coniferous woods, meadows, brushy slopes in the vicinity of Mt. Adams in Klickitat, Skamania, and Yakima Co., Washington (Allen 2006 FNA). The species is distinguished by its glabrous and glaucous stems (40–160 cm tall), leaves, and phyllaries, linear to narrowly lance-elliptic leaves (4–10 cm long), and purple rays. The species is diploid (2n=18). The species is of conservation concern.