Polygonum ramosissimum Michx.

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HERBARIUM OF
THE UNIVERSITY OF WISCONSIN-LA CROSSE
La Crosse, Wisconsin
Plants of Dredge Spoil Sites
Polygonum erectum L.
(Polygonaceae)
Minnesota, Houston Co.; Island 16; Mississippi River-
mile #691.6; T103N R4W Sec 12
Age of dredge material-6 yr; Approx. elevation-634 ft,
Normal Pool elevation-631 ft. Large island W side of
main channel; specimen growing on north end of island
at edge of Salix community bordering marsh, west side of
island
Coll: s.R. Ziegler
M.F. Leykom
No. 2915 Date: 24 Sept 1975
Mississippi River-Navigation Pool 8
Mile 691-702.5
NEW YORK BOTANICAL GARDEN
03151552
03151552