| Name | Erysiphe aceris Westendorp & Wallays |
| Authorship | Westendorp & Wallays |
| Rank | Species |
| NomenclaturalStatus | LaterHomonym |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1851 Fasc. 12 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Erysiphe aceris Westendorp & Wallays |
| Identification made in | [no date] (1) |