| Name | Peronospora calotheca f. aparines (de Bary) Saccardo |
| Authorship | (de Bary) Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Peronospora calotheca de Bary |
| Citation | 1878 Mycoth. Veneta Cent. 12: no. 1119 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Peronospora calotheca f. aparines (de Bary) Saccardo |
| Identification made in | [no date] (1) |