| Name | Peronospora geranii Peck |
| Authorship | Peck |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Peronospora |
| GUID | urn:lsid:indexfungorum.org:names:197135 |
| Citation | 1876 Rep. (Annual) New York Bot. Gard. 28: 63 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Peronospora geranii Peck |
| Identification made in | [no date] (1) |