This name is a synonym of Antennaria stenophylla (A.Gray) A.Gray.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record F054350B-05F6-4613-8F4F-799F1523C9CB) with original publication details: Bull. Torrey Bot. Club 29 221 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14727-2.
This name was in version 1 of The Plant List, record gcc-85864, and has not been changed.