Muhlenbergia rigens
A large, clumping Muhlenbergia with narrow inflorescences, similar to Muhlenbergia dubia.
Inflorescences on the east side of Mills Canyon, Harding County, New Mexico, 22 Sep 2006.
Spikelets on the east side of Mills Canyon, 22 Sep 2006.
A membraneous ligule on the east side of Mills Canyon, 22 Sep 2006.
An inflorescence on the east side of Mills Canyon, 22 Sep 2006.