Leaf blades: basal 10–25+ × 3–8(–12+) mm, entire or toothed; cauline 3–12 × 1–4 mm, mostly entire. Involucres 3–5(–7+) mm. Ray florets: corolla tubes 1–1.5 mm, laminae oblong to elliptic, 3–6(–10) mm. Disc florets: corolla tubes 0.7–1.5 mm, throats 0.5–1.1 mm, lobes 0.5–0.9 mm. Cypselae 1.5–2.5 mm; pappi 2–4 mm. 2n = 18.

Flowering Feb–Jun. Grassy, mossy, or bare, often disturbed, sometimes wet sites in chaparral, oak forests, conifer forests, and sagebrush scrub; 90–1500 m; B.C.; Calif., Idaho, Oreg., Wash.