Phyllactinia fraxini (DC.) Homma Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Erysiphaceae genus Phyllactinia species Phyllactinia fraxini Name Homonyms Phyllactinia fraxini (DC.) Fuss Phyllactinia fraxini (DC.) Homma