⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-341953, with some changes.

Potamogeton polygonifolius var. parnassiifolius (Schrad. ex Mert. & W.D.J.Koch) Nyman is a synonym of Potamogeton natans L.

This name is a synonym of Potamogeton natans L..

The record derives from WCSP which reports it as a synonym (record 341953) with original publication details: Consp. Fl. Eur. Suppl. 2: 286 1890.