Common Name:
NORTHERN MANNA GRASS
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Coefficient of Conservatism:
6
Coefficient of Wetness:
-5
Wetness Index:
OBL
Physiognomy:
Nt P-Grass
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
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Alcona County
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Alger County
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Allegan County
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Alpena County
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Baraga County
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Barry County
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Benzie County
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Charlevoix County
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Including Beaver Island
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Cheboygan County
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Chippewa County
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Including Drummond Island
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Clinton County
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Crawford County
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Delta County
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Dickinson County
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Emmet County
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Gogebic County
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Gratiot County
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Houghton County
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Huron County
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Ingham County
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Iosco County
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Iron County
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Jackson County
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Kalamazoo County
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Kalkaska County
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Kent County
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Keweenaw County
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Including Isle Royale
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Lake County
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Lapeer County
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Leelanau County
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Including Manitou Islands
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Lenawee County
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Livingston County
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Luce County
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Mackinac County
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Including Bois Blanc, Mackinac, Round Islands
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Marquette County
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Mason County
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Montmorency County
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Muskegon County
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Newaygo County
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Oakland County
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Oceana County
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Ogemaw County
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Oscoda County
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Otsego County
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Ottawa County
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Roscommon County
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Sanilac County
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Schoolcraft County
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St. Clair County
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Tuscola County
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Washtenaw County
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Wayne County
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Wexford County
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Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 18, 2018. https://michiganflora.net/species.aspx?id=2126.