This name is a synonym of Athyrium alpestre (Hoppe) Clairv..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26602694) with original publication details: Tent Fl. Crypt. Boem. 1: 14 1820.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:30045965-2.
This name was in version 1 of The Plant List, record tro-26602694.