Brassica rapa L.
Coefficient of Conservatism: *
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Ad A-Forb

A field weed, some strains of which are important vegetables and fodder crops, the Old World origins lost in antiquity. Found in disturbed ground, such as railroad ballast, fields, and roadsides. First collected in 1884 in Kent and Keweenaw Cos.

The foliage is usually completely glabrous, although sometimes there are stiff translucent hairs on the lower leaves, especially on the midrib beneath and the margins.


Alger County
Allegan County
Berrien County
Cheboygan County
Crawford County
Emmet County
Gratiot County
Houghton County
Kent County
Keweenaw County
Lake County
Leelanau County
Lenawee County
Marquette County
Mecosta County
Monroe County
Oakland County
Schoolcraft County
Van Buren County
Washtenaw County
Wayne County


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. October 6, 2022.