Helotium rosuleum (Quél.) Boud., 1907 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Helotiaceae genus Hymenoscyphus species Hymenoscyphus rosuleus Name Homonyms Helotium rosuleum (Quél.) Boud., 1907