Nymphaea tetragona var. angusta Casp. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Nymphaeales family Nymphaeaceae genus Nymphaea species Nymphaea tetragona Name Homonyms Nymphaea tetragona var. angusta Casp. Nymphaea tetragona var. angusta Casp. ex Nakai