Sporobolus pyramidatus (Lam.) Hitchc., Man. Grasses W. Ind.: 84. 1936 sec. Dávila & al. 2018
- ≡Agrostis pyramidata Lam., Tabl. Encycl. 1: 161. 1791 syn. sec. Dávila & al. 2006
- =Agrostis plumosa Ten., Fl. Napol. 1: 59. 1811 syn. sec. Dávila & al. 2006
- =Sporobolus affinis Kunth, Révis. Gramin. 1: 68. 1829 syn. sec. Dávila & al. 2006
- =Vilfa arguta Nees, Fl. Bras. Enum. Pl. 2: 395. 1829 syn. sec. Dávila & al. 2006
- =Sporobolus argutus (Nees) Kunth, Enum. Pl. 1: 215. 1833 syn. sec. Dávila & al. 2006
- =Vilfa arkansana Trin. in Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 6,4(1-2): 64. 1840 syn. sec. Dávila & al. 2006
- =Vilfa subpyramidata Trin. in Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 5(2): 61. 1840 syn. sec. Dávila & al. 2006
- =Agrostis pyramidalis Rich. ex Steud., Syn. Pl. Glumac. 1: 153. 1854 syn. sec. Dávila & al. 2006
- =Vilfa richardii Steud., Syn. Pl. Glumac. 1: 153. 1854 syn. sec. Dávila & al. 2006
- =Vilfa agrostoidea Buckley in Proc. Acad. Nat. Sci. Philadelphia 14: 88. 1862 syn. sec. Dávila & al. 2006
- =Vilfa sabeana Buckley in Proc. Acad. Nat. Sci. Philadelphia 14: 90. 1862 syn. sec. Dávila & al. 2006
- =Sporobolus arkansanus Nutt. ex Vasey in Contr. U.S. Natl. Herb. 3(1): 61. 1892 syn. sec. Dávila & al. 2006
- =Sporobolus sabeanus Buckley ex Vasey in Contr. U.S. Natl. Herb. 3(1): 61. 1892 syn. sec. Dávila & al. 2006
- =Sporobolus tuberculatus Hack. in Anales Mus. Nac. Buenos Aires 13: 470. t. 13. 1906 syn. sec. Dávila & al. 2006
- =Sporobolus argutus f. purpurascens Hack. in Anales Mus. Nac. Buenos Aires 21: 90. 1911 syn. sec. Dávila & al. 2006
- =Sporobolus argutus var. tuberculatus (Hack.) Hack. in Anales Mus. Nac. Buenos Aires 21: 90. 1911 syn. sec. Dávila & al. 2006
- =Sporobolus patens Swallen in J. Wash. Acad. Sci. 31(8): 352, f. 5. 1941 syn. sec. Dávila & al. 2006
- =Sporobolus pulvinatus Swallen in J. Wash. Acad. Sci. 31(8): 351, f. 4. 1941 syn. sec. Dávila & al. 2006