White Snakeroot

Eupatorium rugosum Houtt.

Asteraceae (Aster Family)

▲▼ flowering plants

White Snakeroot, Whitetop:  (Eupatorium rugosum) (pp. 130-13, Weeds of the Great Plains—not in Weeds of the Northeast)

·         perennial (1-3 ft) that can spread by short rhizomes; prefers field edges or open woodland pastures (part shade)

·         has oval-shaped opposite leaves with toothed edges

·         flowers white, in small clusters at tips of top branches

·         grazing can be poisonous to livestock