This name is a synonym of Antennaria rosea subsp. pulvinata (Greene) R.J.Bayer.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E6FDCAF7-5FCB-44A8-B8AF-8B6E1D4A04CD) with original publication details: Brittonia 49 325 1997.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1017129-2.
This name was in version 1 of The Plant List, record gcc-58045.