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 8550169F-1113-44EC-977C-3F1F64F2B6F5) with original publication details: Naturaliste Canad. 80 120 1953.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14597-2.
This name was in version 1 of The Plant List, record gcc-74424.