| Name | Polystictus perennis (Linnaeus) Fries |
| Authorship | (Linnaeus) Fries |
| Rank | Species |
| Placed in | Polystictus |
| Citation | 1879 Meddeland. Soc. Fauna Fl. Fenn. 5: 39 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Polystictus perennis (Linnaeus) Fries |
| Identification made in | [no date] (7) |
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