| Name | Erysiphe guttata f. coryli (de Candolle) Fries: Fries |
| Authorship | (de Candolle) Fries: Fries |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe guttata (Wallroth) Link: Fries |
| Citation | 1829 Syst. Mycol. 3(1): 246 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Erysiphe guttata f. coryli (de Candolle) Fries: Fries |
| Identification made in | [no date] (1) |