Rhizocarpon superstratum J.Steiner, 1893 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Rhizocarpales family Rhizocarpaceae genus Rhizocarpon species Rhizocarpon epispilum Name Homonyms Rhizocarpon superstratum J.Steiner, 1893