| Name | Erysiphe depressa (Wallroth) Link |
| Authorship | (Wallroth) Link |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe R. Hedwig ex de Candolle: Fries |
| Contains | Erysiphe depressa var. carduorum Desmazières |
| Citation | 1824 Sp. Pl., ed. 4 [Willd.]. 6(1): 110 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Erysiphe depressa (Wallroth) Link |
| Identification made in | [no date] (1), 1984 (1), 1985 (2) |