Anemone virginiana L.
Common Name: THIMBLEWEED
Coefficient of Conservatism: 3
Coefficient of Wetness: 3
Wetness Index: FACU
Physiognomy: Nt P-Forb

Anemone virginiana flowers A. A. Reznicek flowers

Forests (often ± open), fields, meadows, river banks, conifer swamps.

Ordinarily quite distinct from A. cylindrica, although there may be an exception to any of the characters in the key. Occasional plants may have white flowers as large as 3–3.5 cm across, resembling those of A. canadensis (from which this species is easily separated by its petioled cauline leaves). These are A. virginiana var. alba (Oakes) Alph. Wood, although smaller-flowered plants are also included here, based on their smaller anthers less than 1.2 mm and narrower heads mostly 8–10 mm across (A. riparia of some floras). This entity is more northern and ranges throughout the Upper Peninsula and into the northern third of the Lower Peninsula. Variety virginiana, with anthers mostly longer than 1.1 mm and heads 11–14 mm in diameter, ranges from the southern border of the state throughout the Lower Peninsula but is less common in the Upper Peninsula. Not all specimens, however, can be easily assigned to a variety.

Locations

Alger County
Allegan County
Alpena County
Arenac County
Barry County
Bay County
Benzie County
Berrien County
Branch County
Calhoun County
Cass County
Charlevoix County
    Including Beaver Island
Cheboygan County
Chippewa County
    Including Drummond Island
Clare County
Clinton County
Crawford County
Delta County
Dickinson County
Eaton County
Emmet County
Genesee County
Gogebic County
Grand Traverse County
Gratiot County
Hillsdale County
Houghton County
Huron County
Ingham County
Ionia County
Iosco County
Isabella County
Jackson County
Kalamazoo County
Kent County
Keweenaw County
    Including Isle Royale
Lake County
Lapeer County
Leelanau County
    Including Manitou Islands
Lenawee County
Livingston County
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Macomb County
Manistee County
Marquette County
Mecosta County
Menominee County
Midland County
Monroe County
Montcalm County
Montmorency County
Muskegon County
Newaygo County
Oakland County
Oceana County
Ontonagon County
Oscoda County
Ottawa County
Presque Isle County
Saginaw County
Schoolcraft County
Shiawassee County
St. Clair County
St. Joseph County
Tuscola 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://michiganflora.net/species.aspx?id=2361.