Brassica nigra (L.) K.Koch

NEW YORK BOTANICAL GARDEN
03791081
iSew yof^
BOTANICAL
gard^H
HERBARIUM OF
THE UNIVERSITY OF WISCONSIN-LA CROSSE
La Crosse, Wisconsin
Plants of Dredge Spoil Sites
Brassica nigra (L.) Koch
(Curciferae)
Minnesota, Houston Co.; Island 14; Mississippi River-
mile #691.6; T103N R4W Sec 13
Age of dredge material-6 yr; Approx. elevation-634 ft,
Normal Pool elevation-631 ft. Small site W side of main
channel; specimen growing in Salix community, north end
of site
Coll: S.R. Ziegler
M.F. Leykom
No. 2154 Date: 30 July 1975
Mississippi River-Navigation Pool 8
, m M Mile 691-702.5
03791081