Prairie false dandelion

Troximon cuspidatum Pursh, Fl. Amer. Sept. 2: 742. 1813 (as Troximum); Agoseris cuspidata (Pursh) Steudel; Microseris cuspidata (Pursh) Schultz-Bipontinus

Plants 7–35 cm. Stems (peduncles) ebracteate. Leaves: blades linear-lanceolate, 7–30 cm, bases broadly attenuate, margins entire, plane or undulate, ciliolate, (apices acuminate) faces glabrous or villous. Involucres 17–27 mm. Phyllaries 13–34, often red-striped or dotted, lanceolate, apices acuminate, faces glabrous. Florets 13–80; ligules 15–25 mm. Cypselae brown, 7–10 mm, narrowed distally, not beaked; pappi of 40–80, intergradent, smooth to barbellulate bristles and ± subulate to setiform scales 8–10 mm. 2n = 18.

Flowering Apr–Jul. Prairie pastures, slopes, hillsides, and ridges, in sandy, gravelly, or clay soils, various grassland associations; 300–2300 m; Alta., Man., Sask.; Ark ., Colo., Ill., Iowa, Kans., Minn., Mo., Mont., Nebr., N.Mex., N.Dak., Okla., S.Dak., Tex., Wis., Wyo.