Glyceria borealis (Nash) Batch.
Common Name: NORTHERN MANNA GRASS
Coefficient of Conservatism: 6
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Nt P-Grass

Glyceria borealis spikelets G. E. Crow spikelets

Shallow water (seldom over 6 dm) and wet borders of ponds, lakes, ditches, marshes.

This species and G. septentrionalis develop limp floating leaves with a papillose non-wettable upper surface when growing in water.

Locations

Alcona County
Alger County
Allegan County
Alpena County
Baraga County
Barry County
Benzie County
Charlevoix County
    Including Beaver Island
Cheboygan County
Chippewa County
    Including Drummond Island
Clinton County
Crawford County
Delta County
Dickinson County
Emmet County
Gogebic County
Gratiot County
Houghton County
Huron County
Ingham County
Iosco County
Iron County
Jackson County
Kalamazoo County
Kalkaska County
Kent County
Keweenaw County
    Including Isle Royale
Lake County
Lapeer County
Leelanau County
    Including Manitou Islands
Lenawee County
Livingston County
Luce County
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Marquette County
Mason County
Montmorency County
Muskegon County
Newaygo County
Oakland County
Oceana County
Ogemaw County
Oscoda County
Otsego County
Ottawa County
Roscommon County
Sanilac County
Schoolcraft County
St. Clair County
Tuscola 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 13, 2017. http://michiganflora.net/species.aspx?id=2126.