Usnea quercina Bystrek & Górzyska, 1985 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Lecanorales family Parmeliaceae genus Usnea species Usnea flavocardia Name Homonyms Usnea quercina Bystrek & Górzyska, 1985