This name is a synonym of Betula × aurata Borkh..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 372289) with original publication details: Fl. Slovenska 5(3): 149 2006.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77089507-1.
This name was in version 1 of The Plant List, record kew-372289.