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 24E990E6-722D-4F3E-9221-109F24FE4FC4) with original publication details: Rhodora 41 293 1939.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:176949-1.
This name was in version 1 of The Plant List, record gcc-8885.