| Name | Erysiphe quercicola S. Takamatsu & U. Braun |
| Authorship | S. Takamatsu & U. Braun |
| Rank | Species |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 2007 Mycol. Res. 111(7): 819 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Erysiphe quercicola S. Takamatsu & U. Braun |
| Identification made in | [no date] (2), 2025 (3) |