This name is a synonym of Packera subnuda var. moresbiensis (Calder & Roy L.Taylor) Trock.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record D69CD096-1372-470E-8C17-B94C47BE643B) with original publication details: Novon 9(4) 457 1999.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1012641-1.
This name was in version 1 of The Plant List, record gcc-114205.