Trithuria submersa Hook. ex Moq. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Nymphaeales family Hydatellaceae genus Trithuria species Trithuria submersa Name Homonyms Trithuria submersa Hook.fil. Trithuria submersa Hook. ex Moq.