Schoenoplectus pungens (Vahl) Palla
Common Name: THREESQUARE
Synonym: Scirpus americanus
Coefficient of Conservatism: 5
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Nt P-Sedge

Scirpus americanus of Michigan Flora.

One of our commonest and most easily recognized sedges. Wet sandy, marly, gravelly, or peaty shores; marshy borders of ponds, lakes, and streams; beach pools and sandy flats; often in shallow water (up to about 1 m).

Locations

Alcona County
Alger County
Allegan County
Alpena County
Antrim County
Barry County
Bay County
Benzie County
Berrien County
Branch County
Calhoun County
Cass County
Charlevoix County
    Including Beaver Island
Cheboygan County
Chippewa County
    Including Drummond Island
Clare County
Clinton County
Crawford County
Delta County
Emmet County
Genesee County
Grand Traverse County
Gratiot County
Hillsdale County
Houghton County
Huron County
Ingham County
Iosco County
Jackson County
Kalamazoo County
Kent County
Keweenaw County
    Including Isle Royale
Lake County
Lapeer County
Leelanau County
Lenawee County
Livingston County
Luce County
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Macomb County
Manistee County
Mason County
Mecosta County
Menominee County
Missaukee County
Monroe County
Montcalm County
Montmorency County
Muskegon County
Newaygo County
Oakland County
Osceola County
Ottawa County
Presque Isle County
Roscommon County
Schoolcraft County
Shiawassee County
St. Clair County
St. Joseph County
Van Buren County
Washtenaw County
Wayne County
Wexford County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 11, 2017. http://www.michiganflora.net/species.aspx?id=1145.