This name is a synonym of Packera hesperia (Greene) W.A.Weber & Á.Löve.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 254143A4-03DC-4462-B090-7ED7D1005ADF) with original publication details: 15 1909.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:232658-2.
This name was in version 1 of The Plant List, record gcc-88165, and has not been changed.