⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-21830, and has not been changed.
This name is a synonym of Betula nana subsp. exilis .
The record derives from WCSP which reports it as a synonym and as an invalid name (record 21830
) with original publication details: Trudy Komiss. Izuch. Yakutsk. Avton. S.S.R. 10: 367 1929.