⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50111227, with some changes.
This name is a synonym of Nuphar lutea subsp. sagittifolia (Walter) E.O. Beal.
The record derives from Tropicos which reports it as a synonym (record 50111227) with original publication details: Rhodora 21(250): 186 186 1919.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:171259-2.