Muhlenbergia argentea Vasey Muhlenbergia argentea Vasey in Bull. Torrey Bot. Club 13(12): 232. 1886 sec. Dávila & al. 2018=Epicampes argentea (Vasey) M.E. Jones in Contr. W. Bot. 14: 7. 1912 syn. sec. Dávila & al. 2006