This name is a synonym of Antennaria marginata Greene.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 149DE87F-3823-4532-BF78-F44BB6ED2F92) with original publication details: 34 1926.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14741-2.
This name was in version 1 of The Plant List, record gcc-71197.