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 03F391E2-CF43-4361-A276-D3362A25CC24) with original publication details: Proc. U. S. Natl. Mus. 23 702 1901.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14840-2.
This name was in version 1 of The Plant List, record gcc-66979.