| Name | Erysiphe alliariicola M. Bradshaw & U. Braun | 
| Authorship | M. Bradshaw & U. Braun | 
| Rank | Species | 
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries | 
| Citation | 2024 Sydowia 76: 122 | 
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Erysiphe alliariicola M. Bradshaw & U. Braun | 
| Identification made in | [no date] (1), 2024 (4), 2025 (1) |