Eleocharis obtusa (Willd.) Schult.
Common Name: SPIKE-RUSH
Coefficient of Conservatism: 3
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Nt A-Sedge

Often abundant on moist sandy to muddy shores and fields, marshes, wet depressions; especially characteristic of exposed mud flats and drying shores of receding lakes, where the large clumps of soft culms are easily recognized. See Larson & Catling (1996) for more detail.

Locations

Alcona County
Alger County
Allegan County
Arenac County
Baraga County
Barry County
Bay County
Berrien County
Branch County
Calhoun County
Cass County
Charlevoix County
    Including Beaver Island
Cheboygan County
Chippewa County
Crawford County
Dickinson County
Genesee County
Gladwin County
Gogebic County
Grand Traverse County
Gratiot County
Hillsdale County
Houghton County
Huron County
Ingham County
Ionia County
Iron County
Jackson County
Kalamazoo County
Kalkaska County
Kent County
Keweenaw County
    Including Isle Royale
Lapeer County
Leelanau County
Lenawee County
Livingston County
Macomb County
Manistee County
Marquette County
Mason County
Mecosta County
Menominee County
Monroe County
Montcalm County
Muskegon County
Newaygo County
Oakland County
Oceana County
Ontonagon County
Ottawa County
Roscommon County
Saginaw County
Sanilac County
Schoolcraft County
St. Clair County
St. Joseph County
Tuscola County
Van Buren County
Washtenaw County
Wayne 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=1113.