Coefficient of Conservatism:
1
Coefficient of Wetness:
-5
Wetness Index:
OBL
Physiognomy:
Nt P-Forb
G. E. Crow
Submersed in very shallow to deep (5.5 m) water of ponds and lakes and quiet backwaters of streams and rivers.
A common species, typically with teeth along the margins of the ultimate segments of the leaves just visible to the naked eye, expanded and green basally (shaped like a rose prickle) and tipped with a pale spinule usually no longer than the green portion. Sometimes, especially on lateral branches and new growth, the leaves may be limper and less conspicuously toothed, and such specimens may resemble C. echinatum.
Locations
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Alger County
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Allegan County
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Baraga County
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Barry County
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Bay 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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Clare County
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Clinton County
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Emmet County
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Genesee 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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Ingham County
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Ionia County
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Iosco 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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Only on Isle Royale
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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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Macomb County
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Manistee 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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Oakland County
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Ontonagon 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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Shiawassee County
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Tuscola 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. October 21, 2020. https://michiganflora.net/species.aspx?id=809.