| Potamogeton friesii Rupr. | |
| Publ. & Syn. | Rupr., Hist. Stirp. Fl. Petrop.: 43 (1845). Described from the St. Petersburg area (European Russia). |
| Chromosomes | 26 (2x). - Europe (N), Canada (Manitoba). - Palmgren (1939); Löve and Löve (1981c). |
| Geography | European - Asian (W) & Asian Pacific & North American: RUS SIB ALA CAN. |
| Distribution | N = S AN = r E = R CC = r UN = r YK = r Tm = r KP = r [ key ] |
| Parent taxon | Potamogeton L. |
| PAF ID | 240112 |