Mat-forming, stoloniferous, 5–40 cm; herbage closely and persistently gray-tomentose, or some of the lvs rarely finally glabrate above; basal lvs oblanceolate or spatulate, 8–30 × 2–7 mm; heads several in a subcapitate or rather loose cyme; pistillate invols 4–7 mm, the scarious part of the bracts deep pink to bright white or dull whitish, generally appearing striate at 20×; dry pistillate cors 2.5–4.5 mm; sexual or apomictic; 2n=28, 56. Dry, open places, meadows, and open woods; chiefly in the w. cordillera, e. to w. Minn., w. Ont., and n. Mich. May–Aug. (A. rosea) The name A. microphylla may eventually have to give way to the older A. chilensis Remy, from Chilean Patagonia.
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