Tillaea aquatica Lam. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Crassulaceae genus Crassula species Crassula vaillantii Name Homonyms Tillaea aquatica Schkuhr Tillaea aquatica L. Tillaea aquatica Lam.