| Name | Peronospora effusa f. chenopodii-albi Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Peronospora effusa (Greville) Rabenhorst |
| Citation | 1876 Mycoth. Veneta Cent. 5: no. 489 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Peronospora effusa f. chenopodii-albi Saccardo |
| Identification made in | [no date] (1) |