This name is a synonym of Antennaria rosea subsp. arida (E.E.Nelson) R.J.Bayer.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 838DCA3D-2839-4A61-90D6-E082CB718552) with original publication details: Botanical Gazette 27(3): 210-211 1899.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14861-2.
This name was in version 1 of The Plant List, record gcc-131268.