| Name | Boletus spraguei Berkeley & M. A. Curtis |
| Authorship | Berkeley & M. A. Curtis |
| Rank | Species |
| Placed in | Boletus Fries |
| Citation | 1872 Grevillea 1(no. 3): 35 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Boletus spraguei Berkeley & M. A. Curtis |
| Identification made in | [no date] (4), 1985 (1) |