This name is a synonym of Antennaria parvifolia Nutt..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 64A6E496-EF04-4FE2-9C69-590544B02960) with original publication details: 8 1908.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14599-2.
This name was in version 1 of The Plant List, record gcc-48045.