| Name | Hypoxylon fuscum f. alni-glutinosae Saccardo |
| Authorship | Saccardo |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypoxylon fuscum (Persoon: Fries) Fries |
| Citation | 1875 Mycoth. Veneta Cent. III: no. 253 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypoxylon fuscum f. alni-glutinosae Saccardo |
| Identification made in | [no date] (1) |