| Name | Peronospora halstedii Farlow |
| Authorship | Farlow |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Peronospora |
| GUID | urn:lsid:indexfungorum.org:names:228266 |
| Citation | 1883 Proc. Amer. Acad. Arts 18: 72 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Peronospora halstedii Farlow |
| Identification made in | [no date] (4), 1983 (5) |