Crassula natans var. natans Dataset GBIF Backbone Taxonomy Rank VARIETY Published in Unknown Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Crassulaceae genus Crassula species Crassula natans Name Synonyms Tillaea fluitans Endl. Homonyms Crassula natans var. natans Crassula natans subsp. natans Crassula natans f. natans