| Name | Erysiphe oxyacanthae de Candolle |
| Authorship | de Candolle |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Citation | 1807 Mém. Agric. Soc. Agric. Dépt. Seine 10: 235 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Erysiphe oxyacanthae de Candolle |
| Identification made in | [no date] (3) |