Hymenoscyphus phiala (Vahl) Arnolds Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Helotiaceae genus Hymenoscyphus species Hymenoscyphus phiala Name Synonyms Helotium phiala Vahl Helotium phiala Vahl ex Fr. Peziza phiala Vahl Homonyms Hymenoscyphus phiala (Vahl) Arnolds Hymenoscyphus phiala (Vahl) Arnolds ex Hengstm.