Fibrous-rooted, chiefly perennial, 1-3.5 dm, the scapes simple, curved-ascending, ordinarily naked; basal lvs oblanceolate, hispid-hirsute, 4-15 נ0.6-2.5 cm, usually shallowly lobed; head solitary; invol shortly calyculate, 6-11 mm, scarcely larger in fr, glabrous or hairy; achenes fusiform, scarcely or shortly beaked, 3-6 mm, scabrous; pappus of inner fls of plumose bristles and some shorter outer scales that may be tipped with a scabrous bristle; pappus of outer fls reduced to a short, laciniate crown; 2n=8. A weed in lawns and waste places; native of Europe, intr. at scattered localities in e. U.S. June-Sept. (L. leysseri; L. nudicaulis, probably misapplied)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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