Usnea barbata f. complanata Müll.Arg., 1892 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Lecanorales family Parmeliaceae genus Usnea species Usnea complanata Name Homonyms Usnea barbata f. complanata Müll.Arg., 1892