This name is a synonym of Antennaria rosea subsp. confinis (Greene) R.J.Bayer.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record CFF183D2-25EF-46EA-89E7-000BFF467EAD) with original publication details: 1071 1925.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14666-2.
This name was in version 1 of The Plant List, record gcc-21.