Eupatorium rugosum Houtt.

HERBARIUM OF
THE UNIVERSITY OF WISCONSIN-LA CROSSE
La Crosse, Wisconsin
Plants of Dredge Spoil Sites
Eupatorium ruqosum Houtt.
(Compositae)
Wisconsin, Vernon Co.; Island 8; Mississippi River-
mile #688.4; T14N R7W Sec 18
Age of dredge material-7 yr; Approx. elevation-640 ft,
Normal Pool elevation-631 ft. Large island E side of
main, channel; specimen growing on north end of island,
Bronius and Vitis abundant on site
Coll: S.R. Ziegler	No. 655 Date: 22 Aug 1974
02869893