Deschampsia elongata (Hook.) Munro, Pl. Hartw.: 342. 1857 sec. Dávila & al. 2018
- ≡Aira elongata Hook., Fl. Bor.-Amer. 2: 243, pl. 228. 1840 syn. sec. Dávila & al. 2006
- =Deyeuxia schaffneri E. Fourn. in Bull. Soc. Bot. France 24: 181. 1877 syn. sec. Dávila & al. 2006
- =Aira aciphylla Franch., Miss. Sci. Cape Horn, Bot. 5: 384. 1889 syn. sec. Dávila & al. 2006
- =Aira aciphylla var. pumila Franch., Miss. Sci. Cape Horn, Bot. 5: 384. 1889 syn. sec. Dávila & al. 2006
- =Deschampsia aciphylla (Franch.) Speg. in Anales Mus. Nac. Hist. Nat. Buenos Aires 5: 89. 1896 syn. sec. Dávila & al. 2006
- =Deschampsia elongata var. ciliata Vasey ex Beal, Grass. N. Amer. 2: 371. 1896 syn. sec. Dávila & al. 2006
- =Deschampsia elongata var. tenuis Vasey ex Beal, Grass. N. Amer. 2: 372. 1896 syn. sec. Dávila & al. 2006
- =Deschampsia aciphylla var. pumila (Franch.) Macloskie in Rep. Princeton Univ. Exp. Patagonia, Botany 8(1, 5, 1): 200. 1904 syn. sec. Dávila & al. 2006
- =Deschampsia ciliata (Vasey ex Beal) Rydb., Fl. Rocky Mts.: 60. 1917 syn. sec. Dávila & al. 2006
- =Aira vaseyana Rydb., Fl. Rocky Mts. (ed. 2): 1112. 1922 syn. sec. Dávila & al. 2006
- =Dichanthium fecundum S.T. Blake in Pap. Dept. Biol. Univ. Queensland 2(3): 51. 1944 syn. sec. Dávila & al. 2006