Distribution: Introduced and widely distributed in northeast United States and southeast Canada; occasional in the Pacific Northwest.
Habitat: Fields, roadsides and waste places.
Flowers: July - October
Origin: Introduced from Europe
Conservation Status: Not of concern
Perennial, the stem 2-10 dm. tall, the herbage rough-puberulent to sub-glabrous.
Lower leaves oblanceolate, petiolate, often coarsely few-lobed; middle and upper leaves smaller, becoming sessile, mostly toothed to entire.
Heads terminating the numerous branches; involucre 11-18 mm. high, higher than broad; the middle and outer involucre bracts usually with comb-like, blackish appendages 1-3 mm. long; flowers all tubular, the marginal flowers enlarged; pappus none.