Sphaeria exilis Schwein. ex Cooke Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Sordariomycetes order Xylariales family Hypoxylaceae genus Sphaeria species Sphaeria exilis Name Homonyms Sphaeria exilis Schwein. ex Cooke Sphaeria exilis Alb. & Schwein.