| Nuphar polysepala Engelm. | |
| Publ. & Syn. | Engelm., Trans. Acad. Sci. St. Louis 2: 282-283 (1865). Described from the Rocky Mountains. - Nuphar lutea subsp. polysepala (Engelm.) E.O. Beal, J. Elisha Mitchell Sci. Soc. 72: 339 (1956). |
| Chromosomes | 34 (2x). - Canada (British Columbia). - Taylor and Mulligan (1968). |
| Geography | American Pacific - Cordilleran: ALA CAN. |
| Distribution | N = F AN = r E = R CC = r AW = r [ key ] |
| Parent taxon | Nuphar Sm. |
| PAF ID | 150102 |