⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-21591, 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 21591) with original publication details: Anales Jard. Bot. Madrid 45: 359 1988.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:950488-1.