Monographs Details: Youngia
Authority: Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Description:Genus Description - Fls all ligulate and perfect, yellow; invol calyculate at base; achenes slightly compressed, fusiform, tapering above but scarcely beaked, slightly expanded to the pappiferous disk at the summit, strongly and somewhat unequally 11–13-ribbed; pappus of numerous fine white capillary bristles; herbs with milky juice and alternate, often mainly basal lvs. 35, Asia.