⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-21112, with some changes.
This name is a synonym of Betula pendula var. oycowiensis (Besser) Dippel.
The record derives from WCSP which reports it as a synonym (record 21112) with original publication details: Bull. Soc. Imp. Naturalistes Moscou 38(2): 398 1865.