Piptatheropsis pungens (Spreng.) Romasch., P. M. Peterson & Soreng
Common Name: RICE-GRASS
Synonym: Oryzopsis pungens, Piptatherum pungens
Coefficient of Conservatism: 9
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Nt P-Grass

Piptatheropsis pungens B. S. Walters

Oryzopsis pungens of Michigan Flora.

Sandy dry forests and savannas on dunes and plains, usually with aspen, oak, jack pine, and/or red pine; rocky forests and summits in the western Upper Peninsula.

Romaschenko et al. (2011) provide the rational for segregating Piptatheropsis


Alcona County
Alpena County
Arenac County
Baraga County
Charlevoix County
    Only on Beaver Island
Cheboygan County
Chippewa County
    Including Drummond Island
Clare County
Crawford County
Delta County
Dickinson County
Emmet County
Huron County
Ionia County
Iosco County
Kalkaska County
Kent County
Keweenaw County
    Including Isle Royale
Lake County
Leelanau County
Luce County
Mackinac County
    Including Bois Blanc, Mackinac, Round Islands
Macomb County
Marquette County
Mason County
Menominee County
Missaukee County
Montcalm County
Montmorency County
Muskegon County
Newaygo County
Oakland County
Oceana County
Ogemaw County
Oscoda County
Presque Isle County
Roscommon County
Schoolcraft County
St. Clair County


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. August 19, 2022. https://michiganflora.net/species.aspx?id=2186.