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.