Common Name:
MARSH ST. JOHN'S-WORT
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Coefficient of Conservatism:
6
Coefficient of Wetness:
-5
Wetness Index:
OBL
Physiognomy:
Nt P-Forb
R. Schipper
Bogs, marshes, swales, sedgy meadows, moist sandy (even marly) shores, conifer swamps and alder thickets. The flowers are usually closed, especially in sunshine, appearing to be perpetually in bud, but are occasionally seen open.
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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Antrim 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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Calhoun 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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Crawford County
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Delta County
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Dickinson County
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Emmet County
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Gladwin County
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Gogebic County
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Grand Traverse County
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Hillsdale County
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Houghton County
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Huron 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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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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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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Macomb 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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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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Oceana County
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Ontonagon 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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Saginaw 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. June 25, 2019. https://michiganflora.net/species.aspx?id=1469.