| Name | Aspidium spinulosum var. concordianum Eastman |
| Authorship | Eastman |
| Rank | Variety |
| Placed in | Aspidium spinulosum (O. F. Müller) Swartz |
| Citation | 1904 New Engl. Ferns 20 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Aspidium spinulosum var. concordianum Eastman |
| Identification made in | [no date] (6) |