| Name | Athyrium alpestre var. americanum Butters |
| Authorship | Butters |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Athyrium alpestre (Hoppe) Rylands |
| GUID | urn:lsid:ipni.org:names:26097-2 |
| Citation | 1917 Rhodora 19: 204 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Athyrium alpestre var. americanum Butters |
| Identification made in | [no date] (1) |
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