| Name | Irpex paradoxus (Schrader) Fries: Fries |
| Authorship | (Schrader) Fries: Fries |
| Rank | Species |
| Placed in | Irpex |
| Citation | 1838 ["1836-1838"] Epicr. Syst. Mycol. (Upsaliae): 522 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Irpex paradoxus (Schrader) Fries: Fries |
| Identification made in | [no date] (2) |