⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-22600109, with some changes.
This name is a synonym of Nuphar lutea subsp. orbiculata .
The record derives from Tropicos which reports it as a synonym (record 22600109
) with original publication details: Contr. U.S. Natl. Herb. 16(3): 102-103, pl. 42F, 45B, f. 7e, 36-37 102 1912.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:171175-2
.