Silphium integrifolium Michx.

UNITED STATES
ASTERACEAE	[2801
SiJphium integrifolium Michx.
Missouri: Jefferson County
10.5 km W of DeSoto. Township 39 N.
Range 3 E. Section 11. Ridgetop NE of
confluence of Mammoth Creek and Big
River. Open meadow among woods, with
glade remnants; cherty substrate.
38°07'30"N 090°40'28“W	175 m
Erect herb; rays yellow.
15 August 1992
Peter H. Raven 28140
MISSOURI BOTANICAL GARDEN HERBARIUM (MO)
04243788