Name:		Silphium L. [basionym]
Status:		Genus
Taxonomic position:		Compositae Giseke [Family] Asterales [Order] Magnoliopsida [Class] Magnoliophyta [Division / Phylum] Plantae [Kingdom]
Constituent taxa:		Species Silphium compositum Michx. Silphium connatum L. Silphium integrifolium Michx. Silphium laciniatum L. Silphium laciniatum Walt. Silphium laevigatum Ell. Silphium laevigatum Pursh Silphium laevigatum Michx. Silphium perfoliatum L. Silphium terebinthinaceum Ell. Silphium terebinthinaceum Jacq. Silphium trifoliatum L.
Links:		Electronic Plant Information Centre [Royal Botanic Gardens, Kew] Genbank Google images IMI [CABI Fungus Dried Reference Collection] International Plant Names Index New York Botanic Garden [Virtual Herbarium] USDA Plants Database [Natural Resources Conservation Service]