Silphium trifoliatum (Native) 4
Description
Silphium trifoliatum , Plant in flower with Verbesina alternifolia. Family Asteraceae, Subclass Asteridae. Origin: Native.Collections
Citation
Hugh D. Wilson (2011). Silphium trifoliatum (Native) 4. Available electronically from https : / /hdl .handle .net /1969 .1 /101345.