| Name | Peronospora nivea f. angelicae-sylvestris Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Peronospora nivea Unger |
| Citation | 1876 Mycoth. Veneta Cent. 9: no. 886 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Peronospora nivea f. angelicae-sylvestris Saccardo |
| Identification made in | [no date] (1) |