Eleocharis coloradoensis (Britton) Gilly in Amer. Midl. Naturalist 26: 66. 1941 sec. González-Elizondo & al. 2018
- =Eleocharis pygmaea var. anachaeta Torr. in Ann. Lyceum Nat. Hist. New York 3: 441-442. 1836 syn. sec. Diego & González 2008
- =Scirpus nanus var. anachaetus (Torr.) Britton in Trans. New York Acad. Sci. 11: 75. 1892 syn. sec. ???
- =Eleocharis parvula var. anachaeta (Torr.) Svenson, Rhodora 36: 386-389. f. 5, mapa 3, 1934 syn. sec. ???