| Name | Polyporus betulinus (Bulliard) Fries |
| Authorship | (Bulliard) Fries |
| Rank | Species |
| Placed in | Polyporus |
| Citation | 1815 Observ. Mycol. (Fr.) 1: 127 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Polyporus betulinus (Bulliard) Fries |
| Identification made in | [no date] (7) |
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