Erysiphe beaumleri (Magnus) U.Braun & Takam. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Erysiphaceae genus Erysiphe species Erysiphe baeumleri Name Homonyms Erysiphe beaumleri (Magnus) U.Braun & Takam.