Usnea barbata L. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Lecanorales family Parmeliaceae genus Usnea species Usnea barbata Name Homonyms Usnea barbata (L.) Weber ex F.H.Wigg Usnea barbata (L.) Weber Usnea barbata L.