| 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) | 
