| Name | Polyporus spraguei Berkeley & M. A. Curtis | 
| Authorship | Berkeley & M. A. Curtis | 
| Rank | Species | 
| Placed in | Polyporus | 
| Citation | 1872 Grevillea 1(no. 4): 50 | 
| Holdings | 28 Specimens held in the Harvard University Herbaria identified as Polyporus spraguei Berkeley & M. A. Curtis | 
| Identification made in | [no date] (28) | 
