Coefficient of Conservatism:
Coefficient of Wetness:
Oryzopsis pungens, Piptatherum pungens
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