Cyperus lanceolatus Poir., Encycl. 7: 245. 1806 sec. González-Elizondo & al. 2018
- =Cyperus densus Humb. ex Link in Jahrb. Gewächsk. 1: 83. 1820 syn. sec. Diego & González 2008
- =Cyperus humboldtianus Schult., Mant. 2: 100. 1824 syn. sec. Diego & González 2008
- =Cyperus lanceolatus var. compositus J. Presl & C. Presl, Reliq. haenk. 1: 167-168. 1830 syn. sec. Diego & González 2008
- =Cyperus ambiguus Liebm. in Kongel. Danske Vidensk.-Selsk. Skr. 5. 2 (Mexic. Halvgr.): 199. 1850 syn. sec. Diego & González 2008
- =Cyperus helvus Liebm. in Kongel. Danske Vidensk.-Selsk. Skr. 5. 2 (Mexic. Halvgr.): 197-198. 1850 syn. sec. Diego & González 2008
- =Cyperus correctus Steud., Syn. pl. glumac. 2: 7. 1854 syn. sec. Diego & González 2008
- =Cyperus jacquemontii Boeckeler in Linnaea 35: 442-443. 1868 syn. sec. Diego & González 2008
- =Cyperus olfersianus var. elatior Boeckeler in Linnaea 35: 440. 1868 syn. sec. Diego & González 2008
- =Cyperus olfersianus Kunth in Bot. Jahrb. Syst. 1: 362. 1881 syn. sec. Diego & González 2008
- =Pycreus lanceolatus (Poir.) C.B. Clarke, Consp. Fl. Afr. 5: 538. 1894 syn. sec. ???
- =Pycreus densus (Humb. ex Link) C.B. Clarke, Symb. antill. 2: 164. 1900 syn. sec. Diego & González 2008
- =Pycreus helvus (Liebm.) C.B. Clarke, Symb. antill. 2: 19. 1900 syn. sec. Diego & González 2008
- =Cyperus lanceolatus var. helvus (Liebm.) Kük. in Repert. Spec. Nov. Regni Veg. 32: 74. 1933 syn. sec. Diego & González 2008