Cladium mariscus subsp. californicum (S. Watson) Govaerts, World Checkl. Seed Pl. 3(1): 15. 1999 sec. Govaerts 2013
- =Cladium mariscus var. californicum S. Watson, Bot. California 2: 224. 1880 syn. sec. ???
- =Mariscus californicus (S. Watson) Fernald in Rhodora 25: 52. 1923 syn. sec. ???
- =Cladium californicum (S. Watson) O'Neill, Fl. Ariz. New Mex.: 773. 1941 syn. sec. ???