| Name | Oidium ruborum Rabenhorst |
| Authorship | Rabenhorst |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oidium |
| Citation | 1878 Hedwigia 17: 175 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Oidium ruborum Rabenhorst |
| Identification made in | [no date] (2) |