Leaves 7-15-lobed. Pappi of 5-10 lanceolate to muticous scales 0.5-1.2 mm, all erose or 1-3, 1-aristate. 2n = 16. Flowering spring and fall. Limestone outcrops and derived soils in grasslands; 800-900 m; Tex.; Mexico (Coahuila, Nuevo León).