Discula quercina (Cooke) Sacc. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Sordariomycetes order Diaporthales family Gnomoniaceae genus Discula species Discula quercina Name Homonyms Discula quercina (Westend.) Arx Discula quercina (Cooke) Sacc.