| Name | Polyporus dualis Peck | 
| Authorship | Peck | 
| Rank | Species | 
| Placed in | Polyporus | 
| GUID | urn:lsid:indexfungorum.org:names:141781 | 
| Citation | 1878 ["1877"] Rep. (Annual) New York State Mus. Nat. Hist. 30: 44 | 
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Polyporus dualis Peck | 
| Identification made in | [no date] (12) | 
