| Name | Erysiphe pannosa (Wallroth) Link: Fries |
| Authorship | (Wallroth) Link: Fries |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1824 Sp. Pl., ed. 4 [Willd.]. 6(1): 104 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Erysiphe pannosa (Wallroth) Link: Fries |
| Identification made in | [no date] (3) |