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 162BA6B6-DBB1-4ABB-91F4-EA919360BF17) with original publication details: Canad. J. Bot. 73 1369 1995.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1185545-2.
This name was in version 1 of The Plant List, record gcc-69988.