Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast except for extreme southeastern U.S.
Habitat: Dry to somewhat moist open areas, from low elevations to the subalpine.
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, beetles
Dioecious, leafy, erect, rhizomatous perennial, 2-9 dm. tall, white-woolly throughout.
Leaves lanceolate to narrowly oblong or linear, up to 12 cm. long and 2 cm. wide, sessile, less pubescent above, the margins often curled, little reduced upward.
Heads up to 1 cm. wide, numerous and crowded in a short, broad inflorescence; involucre 5-7 mm. high, the bracts pearly-white, imbricate in several series, dry and papery; staminate flowers tubular, with undivided style, pistillate flowers tubular-filiform, with bifid style; pappus of distinct capillary bristles.
Achenes covered with short, rounded, blunt projections.