| Name | Irpex nodulosus Peck |
| Authorship | Peck |
| Rank | Species |
| Placed in | Irpex |
| Citation | 1888 Rep. (Annual) Trustees State Mus. Nat. Hist. New York 41: 79 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Irpex nodulosus Peck |
| Identification made in | [no date] (1) |