| Name | Polyporus perplexus Peck | 
| Authorship | Peck | 
| Rank | Species | 
| Placed in | Polyporus | 
| Citation | 1897 ["1896"] Rep. (Annual) Regents Univ. State New York New York State Mus. 49: 19 | 
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Polyporus perplexus Peck | 
| Identification made in | [no date] (5) |