Erysiphe plantaginis (Link) Fuss. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Leotiomycetes order Helotiales family Erysiphaceae genus Golovinomyces species Golovinomyces sordidus Name Homonyms Erysiphe plantaginis Castagne Erysiphe plantaginis (Link) Sawada Erysiphe plantaginis (Link) Fuss.