| Name | Polyporus ulmarius Fries: Fries |
| Authorship | Fries: Fries |
| Rank | Species |
| Placed in | Polyporus |
| Citation | 1821 Syst. Mycol. 1: 365 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polyporus ulmarius Fries: Fries |
| Identification made in | [no date] (2) |