Nuphar advena subsp. variegata (Engelmann ex Durand) R.T. Clausen
Nuphar advena subsp. variegata (Engelmann ex Durand) R.T. Clausen is a synonym sensu IPNI of:
Nuphar variegata Engelmann ex Durand, an accepted species name sensu FNA Ed. Comm., 1997.