Artemisia biennis Willd.
Common Name: BIENNIAL WORMWOOD
Coefficient of Conservatism: *
Coefficient of Wetness: -3
Wetness Index: FACW
Physiognomy: Ad B-Forb

A native of the northwestern United States, but spreading eastward as a weed into disturbed places, roadsides, railroads, agricultural land and gardens; shores, and rocky ground, often in moist sites. Early established in Michigan. Collected in 1860 in Washtenaw Co., and also in the 1860’s in Berrien and Wayne Cos.; said by C. K. Dodge in 1896 to be “becoming common” at Port Huron, St. Clair Co.

Locations

Alpena County
Baraga County
Bay County
Berrien County
Charlevoix County
Cheboygan County
Chippewa County
    Including Drummond Island
Delta County
Dickinson County
Emmet County
Gogebic County
Gratiot County
Houghton County
Huron County
Ingham County
Isabella County
Kalamazoo County
Kent County
Leelanau County
    Only on Fox Islands
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Marquette County
Mecosta County
Menominee County
Monroe County
Oakland County
Ontonagon County
Ottawa County
Presque Isle County
Sanilac County
Schoolcraft County
St. Clair 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 15, 2017. http://www.michiganflora.net/species.aspx?id=234.