Dictionary.net

common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron

common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron

Canadian fleabane; tonic, diuretic, and astringent. The oil is used in gonorrhea and is popularly supposed to control uterine hemorrhage and quicken uterine contraction.