This name is a synonym of Antennaria rosea subsp. confinis (Greene) R.J.Bayer.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 378E8F22-9915-4DBA-8193-D4470C07B85B) with original publication details: Ottawa Naturalist 18: 37. 1904 37 1904.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:272205-2.
This name was in version 1 of The Plant List, record gcc-125976.