Hymenoscypha firma (Pers.) W.Phillips, 1887 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Rutstroemiaceae genus Rutstroemia species Rutstroemia firma Name Homonyms Hymenoscypha firma (Pers.) W.Phillips, 1887