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Common Name:
COMMON SUNFLOWER
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Coefficient of Conservatism:
*
Coefficient of Wetness:
3
Wetness Index:
FACU
Physiognomy:
Ad A-Forb
A. A. Reznicek
habit
Along railroads and roadsides; in dry fields and on river banks; shores (even among driftwood on Lake Superior); refuse heaps and other disturbed places. Presumably native to western North America, but long cultivated and early introduced to Europe. First collected in 1891 in Washtenaw Co.
Well known as a garden ornamental and also as a crop plant for the oil from its seeds, which are also popular in themselves as nutritious food for humans, birds, and other creatures. Hence, the species frequently escapes from cultivation as a weed. Such escapes are frequently depauperate.
Locations
Alger County
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Allegan County
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Alpena 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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Delta County
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Emmet County
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Gratiot County
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Hillsdale County
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Houghton County
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Iosco County
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Isabella County
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Kalamazoo County
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Kent 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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Macomb County
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Marquette County
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Monroe County
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Montcalm County
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Oakland County
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Ogemaw 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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Schoolcraft County
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St. Clair 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. January 30, 2023. https://michiganflora.net/species.aspx?id=345.