| Name | Polyporus perennis (Linnaeus) Fries: Fries |
| Authorship | (Linnaeus) Fries: Fries |
| Rank | Species |
| Placed in | Polyporus |
| Citation | 1821 Syst. Mycol. 1: 350 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Polyporus perennis (Linnaeus) Fries: Fries |
| Identification made in | [no date] (9) |
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