This name is a synonym of Betula grossa Siebold & Zucc..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 21780) with original publication details: Abh. Math.-Phys. Cl. Königl. Sächs. Ges. Wiss. 4(3): 228 1846.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:295225-1.
This name was in version 1 of The Plant List, record kew-21780, and has not been changed.