Sempervivum haworthii Hort.Angl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Crassulaceae genus Aeonium species Aeonium haworthii Name Homonyms Sempervivum haworthii Hort.Angl. ex Salm-Dyck Sempervivum haworthii (Webb & Berthel.) Salm-Dyck ex Christ Sempervivum haworthii Hort.Angl.