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 E6738139-8389-4BFC-BB9E-DD98A2136526) with original publication details: Proc. U. S. Natl. Mus. 23 701 1901.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14882-2.
This name was in version 1 of The Plant List, record gcc-130015.