| Name | Polyporus griseus Peck | 
| Authorship | Peck | 
| Rank | Species | 
| Placed in | Polyporus | 
| Citation | 1874 ["1873"] Rep. (Annual) New York State Mus. Nat. Hist. 26: 68 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polyporus griseus Peck | 
| Identification made in | [no date] (1) |