This name is a synonym of Antennaria rosulata Rydb..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record 4CC56E99-A8D1-43F5-AE61-BF1F56DECED7).
This name was in version 1 of The Plant List, record gcc-116741, and has not been changed.