Erysiphe communis Wallr. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Erysiphales family Erysiphaceae genus Blumeria species Blumeria graminis Name Homonyms Erysiphe communis (Wallr.) Fr. Erysiphe communis (Wallr.) Link Erysiphe communis Lév. Erysiphe communis (Wallr.) Schltdl.