Erysiphe verbasci Jacz. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Erysiphaceae genus Golovinomyces species Golovinomyces verbasci Name Homonyms Erysiphe verbasci (Jacz.) S.Blumer Erysiphe verbasci Jacz. Erysiphe verbasci Fuss.