| Name | Irpex lacteus (Fries) Fries: Fries |
| Authorship | (Fries) Fries: Fries |
| Rank | Species |
| Placed in | Irpex |
| Remarks | Elench. fung. (Greifswald) 1: 142 (1828) |
| Holdings | 100 Specimens held in the Harvard University Herbaria identified as Irpex lacteus (Fries) Fries: Fries |
| Identification made in | [no date] (99), 2016 (1) |