Crassula cultriformis var. robusta Friedrich Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Crassulaceae genus Crassula species Crassula atropurpurea Name Homonyms Crassula cultriformis subsp. robusta Friedrich Crassula cultriformis var. robusta Friedrich