Common Name:
FLAT-STEMMED PONDWEED
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Coefficient of Conservatism:
5
Coefficient of Wetness:
-5
Wetness Index:
OBL
Physiognomy:
Nt P-Forb
R. W. Smith
Shallow to deep (6.7 m) water of lakes, rivers, streams, and wet swales, including the Great Lakes system.
One of our most common and distinctive species, with its flat stem and many-nerved parallel-sided leaves mostly (2–) 2.5–4.5 mm wide and acute to mucronate at the apex.
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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Arenac County
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Baraga County
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Barry County
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Benzie County
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Berrien County
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Branch County
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Calhoun County
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Cass 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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Clare County
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Clinton County
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Delta County
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Emmet County
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Genesee County
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Gladwin County
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Gogebic County
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Grand Traverse County
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Gratiot County
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Hillsdale County
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Houghton County
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Ingham County
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Ionia County
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Iosco County
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Iron County
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Isabella County
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Jackson County
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Kalamazoo 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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Lenawee County
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Livingston County
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Mackinac County
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Manistee County
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Marquette County
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Mason County
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Mecosta County
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Menominee County
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Midland County
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Missaukee County
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Monroe County
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Montcalm 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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Ogemaw County
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Ontonagon County
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Osceola County
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Oscoda County
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Otsego County
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Ottawa County
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Presque Isle County
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Roscommon County
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Schoolcraft County
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St. Clair County
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St. Joseph County
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Van Buren 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. September 27, 2022. https://michiganflora.net/species.aspx?id=2344.