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