⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-342824, and has not been changed.

Alnus hirsuta var. emarginata (Shirai) Kudô is a synonym of Alnus matsumurae Callier

This name is a synonym of Alnus matsumurae Callier.

The record derives from WCSP which reports it as a synonym (record 342824) with original publication details: Nihon Yuyo Jumoku Bunrui-gaku 125 1922.