Paspalum malacophyllum Trin., Sp. Gram. 3: t. 271. 1836 sec. Dávila & al. 2018
- =Anachyris paspaloides Nees in Hooker's J. Bot. Kew Gard. Misc. 2: 103. 1850 syn. sec. Dávila & al. 2006
- =Paspalum elongatum Griseb. in Abh. Königl. Ges. Wiss. Göttingen 19: 260-261. 1874 syn. sec. Dávila & al. 2006
- =Paspalum malacophyllum var. ciliatum Döll, Fl. Bras. 2(2): 41. 1877 syn. sec. Dávila & al. 2006
- =Paspalum malacophyllum var. genuinum Döll, Fl. Bras. 2(2): 41. 1877 syn. sec. Dávila & al. 2006
- =Paspalum malacophyllum var. glabrescens Döll, Fl. Bras. 2(2): 41. 1877 syn. sec. Dávila & al. 2006
- =Paspalum malacophyllum var. petiolatum Döll, Fl. Bras. 2(2): 41. 1877 syn. sec. Dávila & al. 2006
- =Wirtgenia paspaloides Nees ex Döll, Fl. Bras. 2(2): 40. 1877 syn. sec. Dávila & al. 2006
- =Anachyris setaria E. Fourn., Mexic. Pl. 2: 2. 1886 syn. sec. Dávila & al. 2006
- =Panicum malacophyllum var. cordovense Kuntze, Revis. Gen. Pl. 3(3): 362. 1898 syn. sec. Dávila & al. 2006
- =Panicum malacophyllum var. elongatum (Griseb.) Kuntze, Revis. Gen. Pl. 3(3): 362. 1898 syn. sec. Dávila & al. 2006
- =Paspalum malacophyllum var. elongatum (Griseb.) Kuntze, Revis. Gen. Pl. 3(2): 362. 1898 syn. sec. Dávila & al. 2006
- =Paspalum malacophyllum var. longipilum Hack. in Anales Mus. Nac. Buenos Aires 11: 61. 1904 syn. sec. Dávila & al. 2006
- =Paspalum quadrifarium var. elongatum (Griseb.) Hack. in Anales Mus. Nac. Buenos Aires 11: 63. 1904 syn. sec. Dávila & al. 2006
- =Paspalum malacophyllum f. parviflorum Hack. in Anales Mus. Nac. Buenos Aires 21: 25. 1911 syn. sec. Dávila & al. 2006
- =Paspalum boliviense Chase in Contr. U.S. Natl. Herb. 24(8): 454. 1927 syn. sec. Dávila & al. 2006
- =Paspalum eitenii Swallen in Phytologia 14(6): 385. 1967 syn. sec. Dávila & al. 2006
- =Paspalum planiusculum Swallen in Phytologia 14(6): 384. 1967 syn. sec. Dávila & al. 2006
- =Paspalum tenuifolium Swallen in Phytologia 14(6): 384. 1967 syn. sec. Dávila & al. 2006