⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-292374, and has not been changed.
This name is a synonym of Potamogeton alpinus subsp. tenuifolius .
The record derives from WCSP which reports it as a synonym (record 292374
) with original publication details: Rhodora 33: 211 1931.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:208964-2
.