Crassula columnaris var. elongata Mey. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Crassulaceae genus Crassula species Crassula columnaris Name Homonyms Crassula columnaris var. elongata Mey. ex Drège Crassula columnaris var. elongata Mey.