Erucastrum gallicum (Willd.) Schulz
Common Name: DOG MUSTARD
Coefficient of Conservatism: *
Coefficient of Wetness: 3
Wetness Index: FACU
Physiognomy: Ad A-Forb

Roadsides, railroads, dumps, gravel pits, gardens, vacant lots, limestone pavements and quarries, shores, occasionally spreading into forests. A European native, first collected in Michigan in 1922 along railroad tracks at Ypsilanti, Washtenaw Co., and now a widespread weed, locally common in some places, such as the calcareous gravels in the vicinity of the Straits of Mackinac.

The principal hairs of the stem are simple and ± strongly retrorse; the lower leaves are often strongly flushed with purple.

Locations

Alcona County
Alpena County
Arenac County
Bay County
Benzie County
Berrien County
Charlevoix County
Cheboygan County
Chippewa County
    Including Drummond Island
Delta County
Emmet County
Gratiot County
Houghton County
Huron County
Isabella County
Kalamazoo County
Keweenaw County
Leelanau County
Lenawee County
Mackinac County
Macomb County
Marquette County
Mason County
Menominee County
Monroe County
Oakland County
Presque Isle County
Sanilac County
Schoolcraft County
St. Clair County
St. Joseph County
Washtenaw 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=649.