| Name | Isopterygium borrerianum (Spruce ex Müller Halle) Lindberg |
| Authorship | (Spruce ex Müller Halle) Lindberg |
| Rank | Species |
| Placed in | Isopterygium |
| Citation | 1874 Not. Sallsk. Fauna Fl. Fenn. Forh. 13(6): 416. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Isopterygium borrerianum (Spruce ex Müller Halle) Lindberg |
| Identification made in | 1970 (1) |