| Name | Athyrium angustum var. rubellum (Gilbert) Butters |
| Authorship | (Gilbert) Butters |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Athyrium angustum (Willdenow) C. Presl |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Athyrium angustum var. rubellum (Gilbert) Butters |
| Identification made in | [no date] (6) |
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