⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-21608, with some changes.
This name is a synonym of Betula platyphylla subsp. kamtschatica (Regel) Vorosch..
The record derives from WCSP which reports it as a synonym (record 21608) with original publication details: J. Jap. Bot. 13: 385 1937.