Helotium culmigenum Velen. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Helotiaceae genus Hymenoscyphus species Hymenoscyphus epiphyllus Name Homonyms Helotium culmigenum (Fr.) Fr. Helotium culmigenum Velen.