Nuphar lutea subsp. variegata (Engelmann ex Durand) E.O. Beal

Nuphar lutea subsp. variegata (Engelmann ex Durand) E.O. Beal is a synonym sensu FNA Ed. Comm., 1997 of:

Nuphar variegata Engelmann ex Durand, an accepted species name sensu FNA Ed. Comm., 1997.