Inflorescences: involucral bracts ± light green. Flowers: sepals 5-10 mm, abaxially densely tomentose; anthers 0.7-1(-1.2) mm. Heads of achenes ovoid to ovoid-cylindric, 7-11 mm diam. Flowering summer (Jun-Aug). Dry woods, sandy ridges, grasslands; 400-3000 m; Alta., B.C., Man., N.B., Ont., Que., Sask.; Minn., N.Y.