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 79693) with original publication details: Bull. Soc. Bot. France 47: 253 1900.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:346516-1.
This name was in version 1 of The Plant List, record kew-79693, and has not been changed.