This name is a synonym of Antennaria howellii Greene.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 97B32237-433F-4ADB-9636-6F9600C39264) with original publication details: Ottawa Naturalist 20 71 1906.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14679-2.
This name was in version 1 of The Plant List, record gcc-81338.