Evernia prunastri var. retusa Ach., 1810 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Lecanorales family Parmeliaceae genus Evernia species Evernia prunastri Name Homonyms Evernia prunastri f. retusa (Ach.) Cromb. Evernia prunastri var. retusa Ach., 1810