Coefficient of Conservatism:
*
Coefficient of Wetness:
5
Wetness Index:
UPL
Physiognomy:
Ad A-Forb
R. Schipper
A native of Eurasia, long a weed of disturbed areas; the earliest Michigan collection (CU) seen is from Mackinac Island, by Horace Mann, Jr. (and Henry David Thoreau), in 1861.
Locations
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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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Bay County
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Benzie County
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Berrien County
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Cheboygan County
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Chippewa County
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Crawford County
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Delta County
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Dickinson County
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Eaton County
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Emmet County
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Gogebic 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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Isabella County
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Kalamazoo 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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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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Mecosta County
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Monroe County
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Montmorency County
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Oakland County
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Ontonagon County
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Ottawa 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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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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Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. July 16, 2019. https://michiganflora.net/species.aspx?id=685.