| Name | Erysiphe communis var. ranunculacearum (Wallroth) Link |
| Authorship | (Wallroth) Link |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Erysiphe communis (Wallroth) Schlechtendal: Fries |
| Citation | 1824 Sp. Pl., ed. 4 [Willd.]. 6(1): 107 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Erysiphe communis var. ranunculacearum (Wallroth) Link |
| Identification made in | [no date] (6) |