| Name | Polystichum anomalum (Hooker & Arnott) J. Smith |
| Authorship | (Hooker & Arnott) J. Smith |
| Rank | Species |
| Placed in | Polystichum Roth |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polystichum anomalum (Hooker & Arnott) J. Smith |
| Identification made in | 2016 (1) |