| Name | Erysiphe galii S. Blumer |
| Authorship | S. Blumer |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Contains | Erysiphe galii var. riedliana (Speer) U. Braun |
| Citation | 1933 Beitr. Kryptogamenfl. Schweiz 7(no. 1): 283 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Erysiphe galii S. Blumer |
| Identification made in | 1985 (2) |