Digitaria horizontalis Willd., Enum. Pl. 1: 92. 1809 sec. Dávila & al. 2018
- =Agrostis digitata (Sw.) Poir., Encycl. 1: 258. 1810 syn. sec. Dávila & al. 2006
- =Axonopus digitatus (Sw.) P. Beauv., Ess. Agrostogr.: 12, 154, 167. 1812 syn. sec. Dávila & al. 2006
- =Panicum horizontale (Willd.) G. Mey., Prim. Fl. Esseq.: 54. 1818 syn. sec. Dávila & al. 2006
- =Digitaria setosa Desv. ex Ham., Prodr. Pl. Ind. Occid.: 6. 1825 syn. sec. Dávila & al. 2006
- =Digitaria umbrosa Link, Hort. Berol. 1: 227. 1827 syn. sec. Dávila & al. 2006
- =Panicum umbraticola Kunth, Révis. Gramin. 1: 33. 1829 syn. sec. Dávila & al. 2006
- =Paspalum digitatum (Sw.) Kunth, Révis. Gramin. 1: 24. 1829 syn. sec. Dávila & al. 2006
- =Panicum stipatum J. Presl, Reliq. Haenk. 1(4-5): 297. 1830 syn. sec. Dávila & al. 2006
- =Panicum hamiltonii Kunth, Enum. Pl. 1: 84. 1833 syn. sec. Dávila & al. 2006
- =Paspalum oxyanthum Steud., Syn. Pl. Glumac. 1: 27. 1855 syn. sec. Dávila & al. 2006
- =Panicum sanguinale var. horizontale (Willd.) Schweinf. in Bull. Herb. Boissier, sér. 2, 2(append. 2): 18. 1894 syn. sec. Dávila & al. 2006
- =Syntherisma setosa (Desv. ex Ham.) Nash in Bull. Torrey Bot. Club 25: 300. 1898 syn. sec. Dávila & al. 2006
- =Digitaria sanguinalis var. horizontalis (Willd.) Rendle, Cat. Afr. Pl. 2(1): 163. 1899 syn. sec. Dávila & al. 2006
- =Panicum sanguinale subsp. horizontale (Willd.) Hack., Ergebn. Bot. Exp. Südbras. 1: 8. 1906 syn. sec. Dávila & al. 2006
- =Digitaria sanguinalis f. umbraticola (Kunth) Mez ex Henrard, Monogr. Digitaria: 332. 1950 syn. sec. Dávila & al. 2006