Rhytidocaulon vulpinum (L.) Elenkin, 1916 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Lecanorales family Parmeliaceae genus Letharia species Letharia vulpina Name Homonyms Rhytidocaulon vulpinum (L.) Elenkin, 1916