This name is a synonym of Betula pamirica Litv..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 21193) with original publication details: Bot. Zhurn. (Moscow & Leningrad) 48: 905 1963.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:107728-1.
This name was in version 1 of The Plant List, record kew-21193, and has not been changed.