Helotium cejpi var. struthiopteridis Velen. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Helotiaceae genus Hymenoscyphus species Hymenoscyphus scutula Name Homonyms Helotium cejpi var. struthiopteridis Velen.