This name is a synonym of Hieracium greenei A.Gray.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 0BBE29A7-9679-45CC-B058-DBD509C3A609) with original publication details: 1130 1922.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:292630-2.
This name was in version 1 of The Plant List, record gcc-129241, and has not been changed.