| Name | Polyporus durescens Overholts |
| Authorship | Overholts |
| Rank | Species |
| Placed in | Polyporus |
| GUID | urn:lsid:indexfungorum.org:names:289821 |
| Citation | 1941 Mycologia 33(1): 98 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polyporus durescens Overholts |
| Identification made in | [no date] (1) |