Arthonia subpruinosa B.de Lesd., 1909 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Arthoniomycetes order Arthoniales family Arthoniaceae genus Arthonia species Arthonia subpruinosa Name Synonyms Pyrenula cinerella (Nyl.) Branth & Rostr., 1869 Homonyms Arthonia subpruinosa B.de Lesd., 1909