Evernia ochroleuca var. rigida Fr., 1831 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Ascomycota class Lecanoromycetes order Lecanorales family Parmeliaceae genus Alectoria species Alectoria ochroleuca Name Homonyms Evernia ochroleuca var. rigida Fr., 1831 Evernia ochroleuca f. rigida Fr.