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 7E011BF3-E0E2-4107-9832-EB1A15A250AE) with original publication details: Ottawa Naturalist 19 156 1905.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14780-2.
This name was in version 1 of The Plant List, record gcc-70056.