Muhlenbergia minutissima (Steud.) Swallen in Contr. U.S. Natl. Herb. 29(4): 207. 1947 sec. Dávila & al. 2018
- ≡Agrostis minutissima Steud., Syn. Pl. Glumac. 1: 171. 1854 syn. sec. Dávila & al. 2006
- =Milium microspermum Lag., Gen. Sp. Pl.: 2. 1816 syn. sec. Dávila & al. 2006
- =Panicum microspermum (Lag.) E. Fourn., Biol. Cent.-Amer., Bot. 3: 492. 1885 syn. sec. Dávila & al. 2006
- =Vilfa confusa E. Fourn., Mexic. Pl. 2: 101. 1886 syn. sec. Dávila & al. 2006
- =Sporobolus confusus (E. Fourn.) Vasey in Bull. Torrey Bot. Club 15: 293. 1888 syn. sec. Dávila & al. 2006
- =Sporobolus minutissimus (Steud.) Hitchc. in Proc. Biol. Soc. Wash. 41: 161. 1928 syn. sec. Dávila & al. 2006
- =Sporobolus microspermus (Lag.) Hitchc. in J. Wash. Acad. Sci. 23(10): 453. 1933 syn. sec. Dávila & al. 2006
- =Muhlenbergia confusa (E. Fourn.) Swallen in Contr. U.S. Natl. Herb. 29(4): 207. 1947 syn. sec. Dávila & al. 2006