Nuphar luteum subsp. polysepalum (Engelm.) Beal Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Nymphaeales family Nymphaeaceae genus Nuphar species Nuphar polysepala Name Homonyms Nuphar luteum var. polysepalum (Engelm.) E.O.Beal Nuphar luteum subsp. polysepalum (Engelm.) Beal