| 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) |