Silphium asteriscus var. trifoliatum (L.) Clevinger

Silphium asteriscus L.
ssp. trifoliatum (L.)
Weber & Fisher comb. nov.
W. R. WEBER & T. R. FISHER
xJL*
/?<&
FLORA OF INDIANA
Harrison County
Chas. C. Deam, collector
Silphium trifoliatum L.
M 0.18,644 gept« 5^ 1915
In a white and black oak
wooder about 4 mi* southeast
of Coxydon*
HERBARIUM OF KENNETH K. MACKENZIE
Presented by MR. MACKENZIE
1931
^SPECIMEN USEDf^
ILLUSTRATION E» 9
BRITTON à BRAWN'S FIOM
03047335