| Name | Valsa sordida Nitschke |
| Authorship | Nitschke |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Valsa |
| Contains | Valsa sordida f. populi-nigrae Saccardo |
| Citation | 1870 Pyrenomyc. Germ. 2: 203 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Valsa sordida Nitschke |
| Identification made in | [no date] (1) |