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 5501817D-2920-4FD0-87F0-F154D3A376AA) with original publication details: 1071 1925.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14667-2.
This name was in version 1 of The Plant List, record gcc-70842.