⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-292399, with some changes.
This name is a synonym of Potamogeton pusillus subsp. gemmiparus (J.W.Robbins) R.R.Haynes & Hellq..
The record derives from WCSP which reports it as a synonym (record 292399) with original publication details: Manual ed. 5: 489 1867.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:307033-2.