⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-21498, with some changes.
This name is a synonym of Betula pendula var. pendula .
The record derives from WCSP which reports it as a synonym (record 21498
) with original publication details: Spisok Rast. Gerb. Fl. S.S.S.R. Bot. Inst. Vsesoyuzn. Akad. Nauk 11: 99 1949.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:107836-1
.