Erysiphe trifolii
- kingdom: Fungi
- phylum: Ascomycota
- class: Leotiomycetes
- order: Erysiphales
- family: Erysiphaceae
- genus: Erysiphe
- species: Erysiphe trifolii
- Echternach
02
Luxembourg- Bayt Iksā
West Bank
Palestinian Territory, Occupied- Ames
Iowa- Monson
- Monson Center
- Wellesley
Massachusetts- Lancaster
Ohio
United States