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Common Name:
HEDGE BINDWEED
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Coefficient of Conservatism:
2
Coefficient of Wetness:
0
Wetness Index:
FAC
Physiognomy:
Nt P-Vine
B. S. Walters
Thickets and banks along streams, rivers, and shores; marshes and meadows; ditches; borders of swamps; often in weedy places and usually in little if any shade; the twining stems often forming great tangled masses on other plants.
Authors have differed in sorting out the variation in this species; subspecies (or varieties) seem not clear-cut, and intermediates are occasional. The great majority of our material is the native pink-flowered subsp. americana (Sims) Brummitt, with open leaf sinuses. A few pink-flowered specimens from the southern half of the Lower Peninsula have the lobes of the leaf bases overlapping and the bracts and sepals apparently in a single series; these are subsp. erratica Brummitt. Also uncommon, but occurring throughout the state, is subsp. angulata Brummitt, with white flowers and spreading, two-angled leaf lobes. The European subsp. sepium is also white-flowered, but it is not clear if any Michigan material is this introduced entity, which has smaller flowers than subsp. angulata and apparently lacks the two-angled leaf lobes.
Locations
Alcona County
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Allegan County
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Alpena County
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Antrim County
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Arenac County
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Including Charity Island
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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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Charlevoix County
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Only on 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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Gratiot 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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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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Including Manitou Islands
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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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Mason County
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Mecosta County
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Menominee County
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Monroe County
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Montcalm 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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Ottawa County
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Presque Isle County
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Saginaw County
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Sanilac 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. February 1, 2023. https://michiganflora.net/species.aspx?id=846.