Opegrapha trifurcata Hepp Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Arthoniomycetes order Arthoniales family Arthoniaceae genus Arthonia species Arthonia trifurcata Name Homonyms Opegrapha trifurcata Hepp Opegrapha trifurcata Hepp ex Müll.Arg.