This name is a synonym of Antennaria rosea subsp. confinis (Greene) R.J.Bayer.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 9054D779-E133-453B-A923-68F8CC16665A) with original publication details: Pittonia 4: 40. 1899 40 1899.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:272184-2.
This name was in version 1 of The Plant List, record gcc-78361.