Cyperus giganteus Vahl, Enum. pl. 2: 364. 1805 sec. González-Elizondo & al. 2018
- =Papyrus comosa Kunth, Nov. gen. sp. 1: 218. 1815 syn. sec. Diego & González 2008
- =Cyperus comosus Poir., Encycl. Suppl. 5: 185. 1817 syn. sec. Diego & González 2008
- =Cyperus princeps Kunth, Enum. pl. 2: 66. 1837 syn. sec. Diego & González 2008
- =Papyrus elegans Schrad. ex Nees, Fl. Bras. 2(1): 59. 1842 syn. sec. Diego & González 2008
- =Cyperus trinidadensis Boeckeler in Beitr. Cyper. 2: 7-8. 1890 syn. sec. Diego & González 2008
- =Cyperus giganteus var. comosus (Poir.) Kük. in Repert. Spec. Nov. Regni Veg. 32: 74. 1933 syn. sec. Diego & González 2008