| Name | Polystichum aculeatum (Linnaeus) Roth ex Mertens |
| Authorship | (Linnaeus) Roth ex Mertens |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polystichum Roth |
| Contains | Polystichum aculeatum var. nigropaleaceum Christ |
| Holdings | 19 Specimens held in the Harvard University Herbaria identified as Polystichum aculeatum (Linnaeus) Roth ex Mertens |
| Identification made in | [no date] (17), 1921 (2) |