This name is a synonym of Antennaria monocephala DC..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 8B509CF9-30B6-4547-B8E5-479C20A2687D) with original publication details: Rhodora 41 294 1939.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14822-2.
This name was in version 1 of The Plant List, record gcc-38588.