This name is a synonym of Adiantum aleuticum (Rupr.) C.A. Paris.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26604477) with original publication details: Amer. Fern J. 74: 62 1984.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:5020-2.
This name was in version 1 of The Plant List, record tro-26604477.