Sempervivum cinerascens Pancic Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Saxifragales family Crassulaceae genus Sempervivum species Sempervivum marmoreum Name Homonyms Sempervivum cinerascens Graessner Sempervivum cinerascens Pancic ex Adamovic Sempervivum cinerascens Pancic