Triplasis purpurea (Walter) Chapm., Fl. South. U.S.: 560. 1860 sec. Dávila & al. 2018
- ≡Aira purpurea Walter, Fl. Carol.: 78. 1788 syn. sec. Dávila & al. 2006
- =Festuca brevifolia Muhl., Descr. Gram.: 167. 1817 syn. sec. Dávila & al. 2006
- =Diplocea barbata Raf. in Amer. J. Sci. 1: 252. 1818 syn. sec. Dávila & al. 2006
- =Uralepis aristulata Nutt., Gen. N. Amer. Pl. 1: 63. 1818 syn. sec. Dávila & al. 2006
- =Uralepis purpurea (Walter) Nutt., Gen. N. Amer. Pl. 1: 62. 1818 syn. sec. Dávila & al. 2006
- =Glyceria brevifolia (Muhl.) Schult., Mant. 2: 387. 1824 syn. sec. Dávila & al. 2006
- =Merisachne drummondii Steud., Syn. Pl. Glumac. 1: 117. 1854 syn. sec. Dávila & al. 2006
- =Festuca purpurea (Walter) F. Muell., Select Pl., ed. 1: 88. 1876 syn. sec. Dávila & al. 2006
- =Triplasis sparsiflora Chapm. in Bot. Gaz. 3(3): 19. 1878 syn. sec. Dávila & al. 2006
- =Sieglingia purpurea (Walter) Kuntze, Revis. Gen. Pl. 2: 789. 1891 syn. sec. Dávila & al. 2006
- =Triplasis intermedia Nash in Bull. Torrey Bot. Club 25: 564. 1898 syn. sec. Dávila & al. 2006
- =Triodia purpurea (Walter) Smyth in Trans. Kansas Acad. Sci. 25: 95. 1913 syn. sec. Dávila & al. 2006
- =Triplasis floridana Gand. in Bull. Soc. Bot. France 66(7): 303. 1919 syn. sec. Dávila & al. 2006
- =Triplasis glabra Gand. in Bull. Soc. Bot. France 66(7): 303. 1919 syn. sec. Dávila & al. 2006
- =Triplasis purpurea var. caribensis R.W. Pohl in Iowa State J. Res. 47(1): 76, f. 3. 1972 syn. sec. Dávila & al. 2006
- =Triplasis caribensis (R.W. Pohl) Beetle in Phytologia 54(1): 5. 1983 syn. sec. Dávila & al. 2006