Sedum serratum Jacquem. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Crassulaceae genus Rhodiola species Rhodiola heterodonta Name Homonyms Sedum serratum (Ohba) Kozhevn. Sedum serratum Jacquem. ex C.B.Clarke Sedum serratum Jacquem.