Hymenoscyphus fagineus Boud. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Helotiaceae genus Hymenoscyphus species Hymenoscyphus fructigenus Name Homonyms Hymenoscyphus fagineus (Pers.) Dennis Hymenoscyphus fagineus Boud.