⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-82210, and has not been changed.

Euphorbia sieboldiana var. montana Tatew. is a synonym of Euphorbia sieboldiana C.Morren & Decne.

This name is a synonym of Euphorbia sieboldiana C.Morren & Decne..

The record derives from WCSP which reports it as a synonym (record 82210) with original publication details: Res. Bull. Coll. Exp. Forest. Coll. Agric. Hokkaido Imp. Univ. 7: 193 1932.