Cyperus retroflexus var. pumilus (Britton) R. Carter & S.D. Jones in Rhodora 99(900): 328-330. 1998 ["1997"] sec. González-Elizondo & al. 2018
- ≡Cyperus uniflorus var. pumilus Britton in Bull. Torrey Bot. Club 11: 87. 1884 syn. sec. Govaerts & Simpson 2007