Eupatorium rugosum Houtt.

Jy
t &
Mississippi River-Navigation Pool 8
^ Mile 691-702.5
fiw YO^
BOTANICAL
NEW YORK BOTANICAL GARDEN
"02869870
HERBARIUM OF
THE UNIVERSITY OF WISCONSIN-LA CROSSE
La Crosse, Wisconsin
FLOMSTIC STUDY OF THE MISSISSIPPI RIVER
(NAVIGATIQN POOL #8)
Eupatorium rugosum Houtt. var. tomentellum (Robinson)
Blake.
Minn., Houston Co., Site 51, low mesic forest just below
a railroad levee W of Lawrence Lake? fcrest dominated by
Ulmus, Tilia, and other hardwood species. White flowers,
oamtion, on JLcwer edge of bank on the edge of forest
bordering the river.
Coll: STEVEN D. SWANSON No. 2330	Date: 20 Sep 1975
FUNDED BY THE ARMY CORPS OF ENGINEERS
02869870