| Name | Aspidium spinulosum var. intermedium (Willdenow) D. C. Eaton |
| Authorship | (Willdenow) D. C. Eaton |
| Rank | Variety |
| Placed in | Aspidium spinulosum (O. F. Müller) Swartz |
| Citation | 1867 Manual (Gray), ed. 5 665 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Aspidium spinulosum var. intermedium (Willdenow) D. C. Eaton |
| Identification made in | [no date] (4) |