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 18EE6ED4-70A4-4F23-9C94-8B2DD1449B8D) with original publication details: Amer. Midl. Naturalist 5 61 1917.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14747-2.
This name was in version 1 of The Plant List, record gcc-58012.