Xanthium strumarium var. canadense (Mill.) Torr. & A.Gray

Oregon State University
PLANTS OF WASHINGTON
XANTHIUM STRUMARIUM L.
var. CANADENSE (Mill.) T. & G.
KLICKITAT CO.: Along the Dalles-
port Road, .2 miles west of its
junction with U.S. Hwy. 197 near
the north end of the Dalles Bridge
or 1.7 airline miles east of
Dallesport; common around the
edges of a low, vernal, alkaline
area; assoc, genera: Distichlis.
Rosa, Atriplex, Euthamia, Rumex,
Eleocharis; T2N, R13E, Sec. 35;
elev. 60 meters.
September 12, 1988
Richard R. Halse (3774) osu 3989
03199907