Opegrapha simplicior (Nyl.) Nyl., 1868 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Arthoniomycetes order Arthoniales family Opegraphaceae genus Opegrapha species Opegrapha simplicior Name Synonyms Opegrapha atra f. simplicior Nyl., 1861 Homonyms Opegrapha simplicior (Nyl.) Nyl., 1868