Hesperostipa spartea (Trin.) Barkworth
Common Name: PORCUPINE GRASS
Synonym: Stipa spartea
Coefficient of Conservatism: 7
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Nt P-Grass

Stipa spartea of Michigan Flora.

Open sandy often calcareous ground, dune ridges, oak savanna, dry prairies, and along railroads.

A collection (BLH) from "University Biological Station, Douglas Lake" in 1942 was either an accidental waif or perhaps a slip in labeling; it is not mapped. 

Locations

Alcona County
Alpena County
Barry County
Clinton County
Huron County
Ionia County
Jackson County
Kalamazoo County
Kent County
Lenawee County
Livingston County
Mackinac County
    Only on Bois Blanc, Mackinac, Round Islands
Menominee County
Monroe County
Montcalm County
Muskegon County
Newaygo County
Oakland County
Presque Isle County
St. Clair County
St. Joseph County
Tuscola County
Washtenaw County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 12, 2017. http://www.michiganflora.net/species.aspx?id=2133.