Equisetum hyemale L.
Common Name: SCOURING RUSH
Coefficient of Conservatism: 2
Coefficient of Wetness: 0
Wetness Index: FAC
Physiognomy: Nt Fern Al

Meadows, shores, dunes, roadsides, ditches, railroad banks, in both wet to dry settings; usually in sun, but persisting in forests and shaded thickets. Very common throughout.

Equisetum ×ferrissii Clute is a very common hybrid of E. hyemale and E. laevigatum occurring in the same habitats as its parents; sandy shores, beaches, dunes, borrow pits, fields, ditches, roadsides and railway embankments, etc.; persisting (like E. hyemale) in forests. See the key.

The hybrid Equisetum ×mackayi is discussed under E. variegatum.



Locations

Alcona County
Alger County
Allegan County
Alpena County
Antrim County
Arenac County
    Including Charity Island
Baraga County
Barry County
Bay County
Benzie County
Berrien County
Branch County
Calhoun County
Charlevoix County
    Including Beaver Island
Cheboygan County
Chippewa County
Clare County
Clinton County
Crawford County
Delta County
Dickinson County
Eaton County
Emmet County
Genesee County
Gladwin County
Gogebic County
Grand Traverse County
Gratiot County
Hillsdale County
Houghton County
Huron County
Ingham County
Ionia County
Iosco County
Iron County
Isabella County
Jackson County
Kalamazoo County
Kent County
Keweenaw County
    Including Isle Royale
Lake County
Lapeer County
Leelanau County
    Including Fox Islands
    Including Manitou Islands
Lenawee County
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Macomb County
Manistee County
Marquette County
Mason County
Mecosta County
Menominee County
Midland County
Monroe County
Montmorency County
Muskegon County
Newaygo County
Oakland County
Oceana County
Ontonagon County
Osceola County
Oscoda County
Ottawa County
Presque Isle County
Roscommon County
Saginaw County
Schoolcraft County
Shiawassee County
St. Clair County
St. Joseph County
Tuscola County
Van Buren County
Washtenaw County
Wayne County
Wexford County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 15, 2017. http://michiganflora.net/species.aspx?id=1199.