⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50070269, and has not been changed.
This name is a synonym of Nuphar longifolia (Michx.) Sm..
The record derives from Tropicos which reports it as a synonym (record 50070269) with original publication details: Fl. Bor.-Amer. 1: 312 312 1803.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:605603-1.