This name is a synonym of Antennaria plantaginifolia (L.) Richardson.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 17168D6C-E28B-4DCC-B747-668076A88A19) with original publication details: Muhlenbergia 1 5 1900.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:14829-2.
This name was in version 1 of The Plant List, record gcc-53476.