Steinchisma cupreum (Hitchc. & Chase) W.V. Br. in Mem. Torrey Bot. Club 23(3): 20. 1977 sec. Dávila & al. 2018
- ≡Panicum cupreum Hitchc. & Chase in Contr. U.S. Natl. Herb. 15: 120, f. 113. 1910 syn. sec. Dávila & al. 2006
- =Panicum hians var. purpurascens Scribn., Proc. Acad. Nat. Sci. Philadelphia 43(2): 296, t. 13. f. 3, 3a-3d. 1891 syn. sec. Dávila & al. 2006