| Name | Athyrium angustum var. elatius (Link) Butters |
| Authorship | (Link) Butters |
| Rank | Variety |
| Placed in | Athyrium angustum (Willdenow) C. Presl |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Athyrium angustum var. elatius (Link) Butters |
| Identification made in | [no date] (3) |