This name is a synonym of Antennaria pulcherrima (Hook.) Greene.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record CC798835-C64A-4803-9CBD-1E0922164843) with original publication details: Canad. Field-Naturalist 64 11 1950.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14837-2.
This name was in version 1 of The Plant List, record gcc-16239.