Arthonia trilocularis (Müll.Arg.) R.Sant. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Arthoniomycetes order Arthoniales family Arthoniaceae genus Arthonia species Arthonia trilocularis Name Homonyms Arthonia trilocularis Müll.Arg. Arthonia trilocularis (Müll.Arg.) R.Sant.