Paspalidium chapmanii (Vasey) R.W. Pohl in Novon 2(2): 106. 1992 sec. Dávila & al. 2018
- ≡Panicum chapmanii Vasey in Bull. Torrey Bot. Club 11(6): 61. 1884 syn. sec. Dávila & al. 2006
- =Setaria chapmanii (Vasey) Pilg., Nat. Pflanzenfam. (ed. 2) 14e: 72. 1940 syn. sec. Dávila & al. 2006