| Name | Oidium erysiphoides Fries: Fries |
| Authorship | Fries: Fries |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oidium |
| Contains | Oidium erysiphoides f. wissadulae Ciferri |
| Citation | 1832 Syst. Mycol. 3(2): 432 |
| Holdings | 41 Specimens held in the Harvard University Herbaria identified as Oidium erysiphoides Fries: Fries |
| Identification made in | [no date] (40), 1911 (1) |