Heads 10-30(-40+). Calyculi: bractlets prominent (lengths of at least some to about 3 / 4 phyllaries). Involucres 7-10 mm diam. Phyllaries 6-8 mm, tips green or weakly, if at all, black. Ray corolla laminae 5-10 mm. Flowering late spring-early fall. Grassy or open, rocky sites; 200-2300 m; Alta., B.C., Man., N.W.T., Ont., Sask.; Alaska, Mont., N.Dak., S.Dak., Wyo. Variety eremophilus may be expected as a casual weed or waif in the cooler portions of the flora. It has been reported as a waif in New York.