| Name | Irpex obliquus (Schrader) Fries: Fries |
| Authorship | (Schrader) Fries: Fries |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Irpex |
| Citation | 1828 Elench. Fung. [Fries] 1: 147 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Irpex obliquus (Schrader) Fries: Fries |
| Identification made in | [no date] (9) |