Arrhenatherum elatius (L.) J. Presl & C. Presl
Common Name: TALL OATGRASS
Coefficient of Conservatism: *
Coefficient of Wetness: 3
Wetness Index: FACU
Physiognomy: Ad P-Grass

Arrhenatherum elatius R. W. Smith

Railroads, roadsides, and other disturbed places; sometimes in adjacent forests. A native of Europe, cultivated as a forage grass in North America and first collected in Michigan in 1893 in Ingham Co. 

Avenula pubescens (Huds.) Dumort. is known from northern Wisconsin (Schimpf et al. 2009). It will key to couplet 5 in the key to Group 3, and is similar in general appearance to Arrhenatherum, but differs in its pubescent foliage.

Locations

Alcona County
Alpena County
Barry County
Bay County
Benzie County
Berrien County
Calhoun County
Charlevoix County
Eaton County
Houghton County
Ingham County
Jackson County
Kalamazoo County
Kent County
Leelanau County
Mackinac County
    Only on Bois Blanc, Mackinac, Round Islands
Marquette County
Muskegon County
St. Joseph County
Tuscola 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://michiganflora.net/species.aspx?id=2018.