⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-81580, and has not been changed.

Euphorbia polyacantha subsp. rosenii Pax is a synonym of Euphorbia polyacantha Boiss.

This name is a synonym of Euphorbia polyacantha Boiss..

The record derives from WCSP which reports it as a synonym (record 81580) with original publication details: Bot. Jahrb. Syst. 39: 632 1907.