This name is a synonym of Antennaria microphylla Rydb..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 31244619-0C9E-4792-A7E3-8275A3CA9788) with original publication details: Pittonia 3 283 1898.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14790-2.
This name was in version 1 of The Plant List, record gcc-89757.