This name is a synonym of Antennaria solitaria Rydb..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 725D65DD-CC79-41EE-92DE-E2041D2134DF) with original publication details: 431 1843.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14828-2.
This name was in version 1 of The Plant List, record gcc-68857.