| Name | Polystictus biformis (Fries) Fries |
| Authorship | (Fries) Fries |
| Rank | Species |
| Placed in | Polystictus |
| Citation | 1851 ["1855"] Nova Acta Regiae Soc. Sci. Upsal. Ser. 3 1(1): 84 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Polystictus biformis (Fries) Fries |
| Identification made in | [no date] (6) |
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