Eupatorium rugosum Houtt.

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HERBARIUM OF
THE UNIVERSITY OF WISCONSIN-LA CROSSE
La Crosse, Wisconsin
FLORISTIC STUDY OF THE MISSISSIPPI RIVER
(NAVIGATION POOL #8)
Eupatorium rugosum Houtt. var. tcmentellum (Robinson)
Blake
Wis., La Crosse Co., Site 20, railroad levee built on an |
island along a side channel with rip-rap along portions
of its bank. 4 white petals, .5 m tall, ccramon along
top of N bank.
Coll: STEVEN D. SWANSON No. 1^59	Date.
FUNDED BY THE ARMY CORPS OF ENGINEERS 31 Jul 1975
02869867