This name is a synonym of Psephellus daghestanicus Sosn..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record BDA28BE8-2B45-4DC9-BA96-168822C89DF6) with original publication details: 435 1963.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190480-1.
This name was in version 1 of The Plant List, record gcc-12086, and has not been changed.