Coefficient of Conservatism:
3
Coefficient of Wetness:
5
Wetness Index:
UPL
Physiognomy:
Nt P-Grass
R. W. Smith
Oak savanna, sandy clearings, roadsides, and railroads; perhaps originally native (if at all) only in southwestern Michigan, where collected in Berrien Co. by the First Survey as early as 1838. The dark purplish-gray inflorescences are now striking in early fall along freeways, especially in the medians. The axis and branches of the inflorescence are usually covered with sticky dots. An “albino” variant with yellow inflorescences has been collected in Livingston Co.
Locations
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Allegan County
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Barry County
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Bay 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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Clinton County
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Eaton County
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Genesee County
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Grand Traverse County
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Gratiot County
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Hillsdale County
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Huron County
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Ingham County
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Ionia 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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Lenawee County
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Livingston County
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Mason 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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Ottawa County
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Saginaw 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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Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 25, 2022. https://michiganflora.net/species.aspx?id=2240.