Silphium perfoliatum L.
Common Name: CUP PLANT
Coefficient of Conservatism: 10
Coefficient of Wetness: -3
Wetness Index: FACW
Physiognomy: Nt P-Forb
Status: T
Silphium perfoliatum R. Schipper

River banks and openings in floodplain forests. The plant is popular in cultivation and plants of fields, an abandoned orchard, railroad embankments, and such places are probably not native there. The species is native mostly south and west of Michigan, barely entering the state.

Locations

Berrien County
Ingham County
Kalamazoo County
Lenawee County
Monroe County
Washtenaw County
Wayne County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. November 14, 2018. https://michiganflora.net/species.aspx?id=447.