Lecidea petraea f. grandis Flörke Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Rhizocarpales family Rhizocarpaceae genus Rhizocarpon species Rhizocarpon grande Name Homonyms Lecidea petraea f. grandis Flörke ex Flot. Lecidea petraea f. grandis Flörke