Stems hirsuto-villous (hairs essentially equal). Involucres 4.5-6 mm. Ray laminae absent or not surpassing involucres. Disc corollas 3.5-4.5 mm. 2n = 18. Flowering May-Jun(-Jul). Gravelly soil, open slopes, ridges, crevices, often with sagebrush or juniper; 1200-2000 m; Calif., Idaho, Nev., Oreg.