Rorippa palustris (L.) Besser
Common Name: YELLOW CRESS
Coefficient of Conservatism: 1
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Nt A-Forb

Wet shores and meadows, marshy ground, pools (sometimes in water 3 dm or more deep), mudflats, recently exposed lake- and stream-beds, ditches, swampy thickets; somewhat weedy along roadsides and in cultivated ground.

Rorippa palustris subsp. palustris has the stems and foliage essentially glabrous and R. palustris subsp. hispida (Desv.) Jonsell has the stem and leaves beneath ± hispid. Both occur throughout Michigan.

Locations

Alcona County
Alger County
Allegan County
Alpena County
Baraga County
Barry County
Bay County
Benzie County
Berrien County
Calhoun County
Cass County
Charlevoix County
    Only on Beaver Island
Cheboygan County
Chippewa County
    Including Drummond Island
Clare County
Clinton County
Crawford County
Delta County
Eaton County
Emmet County
Gladwin County
Gogebic County
Grand Traverse County
Gratiot County
Hillsdale County
Houghton County
Huron County
Ingham County
Iron County
Isabella County
Kalamazoo County
Kalkaska County
Kent County
Keweenaw County
    Including Isle Royale
Lake County
Lapeer County
Leelanau County
    Including Fox Islands
    Including Manitou Islands
Lenawee County
Livingston County
Luce County
Mackinac County
Macomb County
Marquette County
Mason County
Mecosta County
Menominee County
Midland County
Missaukee County
Monroe County
Montcalm County
Muskegon County
Newaygo County
Oakland County
Oceana County
Ontonagon County
Osceola County
Otsego County
Ottawa County
Presque Isle County
Roscommon County
Saginaw County
Sanilac 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 10, 2017. http://michiganflora.net/species.aspx?id=675.