| Name | Hypoxylon macrosporum P. Karsten |
| Authorship | P. Karsten |
| Rank | Species |
| Placed in | Hypoxylon |
| Citation | 1866 Enum. Fung. Lapponia 211 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypoxylon macrosporum P. Karsten |
| Identification made in | [no date] (1) |