Parthenium integrifolium L.

\c° .	PLANTS OF IOWA
Herbarium of Iowa State College
Parthenium integrifolium L#
Winneshiek Co., Lincoln Twp.Sec.14
Prairie 1 mi. W. of Ridgway. Along
C. MIL. & St. P. RR. right-of-way.
Soils Jackson silt loam.
Assoc.i Helianthus scaberrimus,
polygala sanguinea L.
Ada H«yden
Wm. T&lstead	, 1 Sept, 1933
W.L. Strxmk
03126837