Crassula decumbens (Willd.) Harv. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Crassulaceae genus Crassula species Crassula thunbergiana Name Homonyms Crassula decumbens Thunb. Crassula decumbens Eckl. & Zeyh. Crassula decumbens (Willd.) Harv.