| Name | Erysiphe adunca (Wallroth) Fries: Fries |
| Authorship | (Wallroth) Fries: Fries |
| Rank | Species |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Contains | Erysiphe adunca var. populi (de Candolle) Link Erysiphe adunca var. prunastri (de Candolle) Link Erysiphe adunca var. ulmorum (Wallroth) Link |
| Citation | 1829 Syst. Mycol. 3(1): 245 |
| Holdings | 59 Specimens held in the Harvard University Herbaria identified as Erysiphe adunca (Wallroth) Fries: Fries |
| Identification made in | [no date] (57), 2023 (1), 2025 (1) |