Rhizocarpon variegatum J.Steiner, 1909 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Rhizocarpales family Rhizocarpaceae genus Rhizocarpon species Rhizocarpon petraeum Name Homonyms Rhizocarpon variegatum J.Steiner, 1909