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 379A6848-15E6-4C77-885B-15832E02103C) with original publication details: Rhodora 16 197 1914.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14564-2.
This name was in version 1 of The Plant List, record gcc-11532.