⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-21822, with some changes.
This name is a synonym of Betula nana subsp. nana .
The record derives from WCSP which reports it as a synonym (record 21822) with original publication details: Bot. Not. 1909: 120 1909.