| Name | Septoria polygonorum f. polygoni-bistortae Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Septoria polygonorum Desmazières |
| Citation | 1878 Mycoth. Veneta Cent. 13: no. 1220 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Septoria polygonorum f. polygoni-bistortae Saccardo |
| Identification made in | [no date] (1) |