Arthopyrenia fraxini f. rufidula A.Massal., 1856 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Ascomycota class Dothideomycetes order Pleosporales family Naetrocymbaceae genus Naetrocymbe species Naetrocymbe fraxini Name Homonyms Arthopyrenia fraxini f. rufidula A.Massal., 1856