Phyllactinia corylae (Pers.) P.Karst. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Erysiphaceae genus Phyllactinia species Phyllactinia guttata Name Homonyms Phyllactinia corylae (Pers.) P.Karst.