This name is a synonym of Betula pendula Roth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 21590) with original publication details: Memoranda Soc. Fauna Fl. Fenn. 65: 9 1989.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:955353-1.
This name was in version 1 of The Plant List, record kew-21590.