This name is a synonym of Athyrium filix-femina var. cyclosorum Rupr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26602699) with original publication details: Fl. Aleut. Isl. 50 1937.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:26137-2.
This name was in version 1 of The Plant List, record tro-26602699, and has not been changed.