Tragopogon dubius Scop.

HERBARIUM OF
THE UNIVERSITY OF WISCONSIN-LA CROSSE
La Crosse, Wisconsin
Plants of Dredge Spoil Sites
Tragopogon dubius Scop.
(Compositae)
Wisconsin, Vernon Co.; Island 8; Mississippi River-
mile #688.4; T14N R7W Sec 18
Age of dredge material-3 yr; Approx. elevation-642 ft,
Normal Pool elevation-631 ft. Large island E side of
main channel; specimen growing on larger deposition
site, north end of island; Sporobolus abundant
Coll:	S.R.	Ziegler
M.F. Leykom
No. 1090 Date: 5 June 1975
Mississippi Rlver-Navlgatlon Pool S
4 m ^ Milo 679.2-692
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