Erysiphe polygoni
- kingdom: Fungi
- phylum: Ascomycota
- class: Leotiomycetes
- order: Erysiphales
- family: Erysiphaceae
- genus: Erysiphe
- species: Erysiphe polygoni
- Canada
Eureka
California
Manhattan
Kansas
Marysville
Seattle
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United States
Saint-Hyacinthe
Båstad