| Name | Polystichum braunii var. purshii Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Polystichum braunii (Spenner) Fée |
| GUID | urn:lsid:ipni.org:names:207976-2 |
| Citation | 1928 Rhodora 30: 29 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Polystichum braunii var. purshii Fernald |
| Identification made in | [no date] (3) |