Muhlenbergia wrightii Vasey ex J.M. Coult., Man. Bot. Rocky Mt.: 409. 1885 sec. Dávila & al. 2018
- =Muhlenbergia wrightii var. annulata Vasey, Descr. Cat. Grass. U.S.: 41. 1885 syn. sec. Dávila & al. 2006
- =Muhlenbergia coloradensis Mez in Repert. Spec. Nov. Regni Veg. 17: 213. 1921 syn. sec. Dávila & al. 2006