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 2469F1F9-38C8-4456-B81C-3E5AAD2979F6) with original publication details: Rhodora 16 129 1914.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14842-2.
This name was in version 1 of The Plant List, record gcc-33623.