| Name | Polystictus hirsutus (Wulfen) Fries |
| Authorship | (Wulfen) Fries |
| Rank | Species |
| Placed in | Polystictus |
| Citation | 1821 Syst. Mycol. 1: 367 |
| Holdings | 15 Specimens held in the Harvard University Herbaria identified as Polystictus hirsutus (Wulfen) Fries |
| Identification made in | [no date] (15) |