This name is a synonym of Euphorbia dracunculoides subsp. flamandii (Batt.) Maire.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 376016) with original publication details: Étud. Fl. Vég. Sahara 147 1933.
This name was in version 1 of The Plant List, record kew-376016, and has not been changed.