Crassula columnaris Jacobsen Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Crassulaceae genus Crassula species Crassula columnaris Name Homonyms Crassula columnaris L.fil. Crassula columnaris Thunb. Crassula columnaris Jacobsen ex Friedr. Crassula columnaris Jacobsen