Panicum rigidulum Bosc ex Nees, Fl. Bras. Enum. Pl. 2(1): 163. 1829 sec. Dávila & al. 2006
- =Panicum condensum Nash, Fl. S.E. U.S.: 93, 1327. 1903 syn. sec. Dávila & al. 2006
- =Panicum rigidulum var. condensum (Nash) Mohlenbr., Ill. Ind. Bot.: 71. 1973 syn. sec. Dávila & al. 2006