Agrostemma githago L.
Common Name: CORN-COCKLE
Coefficient of Conservatism: *
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Ad A-Forb

Agrostemma githago R. W. Smith

Grain fields and other cultivated or dry disturbed areas, including roadsides, railroads, bluffs, and clearings in forests. Introduced from Eurasia, where it is also a weed of cultivated lands. Known in Michigan at least since 1837, when it was collected by the First Survey in Lenawee Co., but not commonly collected recently.

The prominent calyx lobes exceed the large pink-purple petals, making this a very distinctive as well as showy species.

Locations

Allegan County
Alpena County
Barry County
Benzie County
Berrien County
Charlevoix County
Cheboygan County
Clinton County
Emmet County
Gogebic County
Grand Traverse County
Gratiot County
Hillsdale County
Ingham County
Ionia County
Iosco County
Jackson County
Kalamazoo County
Kalkaska County
Kent County
Keweenaw County
Lake County
Leelanau County
    Including Manitou Islands
Lenawee County
Mackinac County
    Only on Bois Blanc, Mackinac, Round Islands
Mecosta County
Monroe County
Montcalm County
Muskegon County
Newaygo County
Oakland County
Oceana County
Ottawa County
Sanilac County
St. Clair County
St. Joseph County
Van Buren County
Washtenaw County
Wayne County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 16, 2017. http://www.michiganflora.net/species.aspx?id=736.