Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve in Bull. Torrey Bot. Club 81: 33, t. 33. 1954 sec. González-Elizondo & al. 2018
- ≡Scirpus acutus Muhl. ex Bigelow, Fl. boston.: 15. 1814 syn. sec. Diego & González 2008
- =Schoenoplectus lacustris subsp. acutus (Muhl. ex Bigelow) Á. Löve & D. Löve in Taxon 30: 849. 1981 syn. sec. Diego & González 2008