Usnea barbata subsp. asperrima Müll.Arg., 1882 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Lecanorales family Parmeliaceae genus Eumitria species Eumitria baileyi Name Homonyms Usnea barbata var. asperrima Müll.Arg. Usnea barbata subsp. asperrima Müll.Arg., 1882