This name is a synonym of Packera layneae (Greene) W.A.Weber & Á.Löve.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 7C5255B6-51AE-426B-8357-F03B2AE0CC4C) with original publication details: 87 1883.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:233381-2.
This name was in version 1 of The Plant List, record gcc-138267, and has not been changed.