Petradoria pumila var. pumila

Stems 0.8-3 cm. Leaf blades usually 3-5-nerved, broadly linear to oblanceolate, rarely lanceolate, 30-120 × 2-12 mm. Heads 25+. Involucres 6-9.5 × 1.9-3 mm. Phyllaries 10-21. Ray florets (1-)2-3; corollas 4.5-9 mm, laminae 1-2.4 mm wide. Disc florets 2-4; corollas 4.5-6.2 mm, lobes 0.8-1.3 mm. 2n = 18, 36.

Flowering summer-fall. Dry, open, rocky places; 1000-3100 m; Ariz., Calif., Colo., Idaho, Nev., N.Mex., Utah, Wyo.