⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Athyrium alpestre in version 1.1 of The Plant List.

Athyrium alpestre var. americanum Butters is a synonym of Athyrium americanum (Butters) Maxon

This name is a synonym of Athyrium americanum (Butters) Maxon.

The record derives from Tropicos which reports it as a synonym (record 26603596) with original publication details: Rhodora 19(225): 204 204 1917.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:26097-2.