This name is a synonym of Euphorbia chamaerrhodos Boiss..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 37911) with original publication details: J. Arnold Arbor. 24: 184 1943.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:55240-2.
This name was in version 1 of The Plant List, record kew-37911, and has not been changed.