| Name | Polystichum wilhelminaense Nakaike |
| Authorship | Nakaike |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polystichum Roth |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polystichum wilhelminaense Nakaike |
| Identification made in | [no date] (2) |