⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-292340, with some changes.

Potamogeton perfoliatus var. richardsonii A.Benn. is a synonym of Potamogeton richardsonii (A.Benn.) Rydb.

This name is a synonym of Potamogeton richardsonii (A.Benn.) Rydb..

The record derives from WCSP which reports it as a synonym (record 292340) with original publication details: J. Bot. 27: 25 1889.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:283637-2.