| Name | Valsa sordida f. populi-nigrae Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Valsa sordida Nitschke |
| Citation | 1876 Mycoth. Veneta Cent. 8: no. 762 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Valsa sordida f. populi-nigrae Saccardo |
| Identification made in | [no date] (1) |
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