Silphium gracile (Native) 4
Description
Silphium gracile, Capitulum after anthesis, from the side, with dry disk floret corollas. Family Asteraceae, Subclass Asteridae. Origin: Native.Collections
Citation
Hugh D. Wilson (2011). Silphium gracile (Native) 4. Available electronically from https : / /hdl .handle .net /1969 .1 /100612.