Sporobolus giganteus Nash in Bull. Torrey Bot. Club 25(2): 88-89. 1898 sec. Dávila & al. 2018
- ≡Sporobolus cryptandrus var. robustus Vasey in Contr. U.S. Natl. Herb. 1(2): 56. 1890 syn. sec. Dávila & al. 2006
- =Sporobolus cryptandrus var. giganteus (Nash) E.K. Jones in Contr. W. Bot. 14: 11. 1912 syn. sec. Dávila & al. 2006