| Name | Hypoxylon effusum Nitschke |
| Authorship | Nitschke |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypoxylon |
| Citation | 1867 Pyrenomyc. Germ. 1: 48 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypoxylon effusum Nitschke |
| Identification made in | [no date] (1) |