| Name | Polyporus euporus P. Karsten |
| Authorship | P. Karsten |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polyporus |
| Citation | 1867 Fungi Fenniae Exsicc. 7: 618 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polyporus euporus P. Karsten |
| Identification made in | [no date] (1), 1946 (1) |