Eriophorum virginicum L.
Common Name: TAWNY COTTON-GRASS
Coefficient of Conservatism: 8
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Nt P-Sedge

Bogs, conifer swamps (tamarack, spruce, cedar), boggy thickets, marshes, and open swampy or boggy ground; only in acidic soils.

This is the most frequent Eriophorum of acidic soils in southern Michigan. The bristles are typically copper colored to tan. They are white in the rather frequent f. album (A. Gray) Wiegand.

Locations

Alger County
Antrim County
Arenac County
Baraga County
Barry County
Bay County
Benzie County
Berrien County
Calhoun County
Cass County
Charlevoix County
    Including Beaver Island
Cheboygan County
Chippewa County
Crawford County
Delta County
Dickinson County
Emmet County
Gogebic County
Hillsdale County
Houghton County
Ingham County
Iron County
Jackson County
Kalamazoo County
Kalkaska County
Kent County
Keweenaw County
Lake County
Leelanau County
    Including Manitou Islands
Lenawee County
Livingston County
Luce County
Mackinac County
Macomb County
Manistee County
Marquette County
Mason County
Mecosta County
Menominee County
Montcalm County
Muskegon County
Newaygo County
Oakland County
Ottawa County
Presque Isle County
Roscommon County
Sanilac County
Schoolcraft County
St. Clair County
St. Joseph County
Van Buren County
Washtenaw County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 18, 2017. http://www.michiganflora.net/species.aspx?id=1127.