This name is a synonym of Euphorbia epicyparissias (E.Mey. ex Klotzsch & Garcke) Boiss..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 80322) with original publication details: Prodr. 15(2): 168 1862.
This name was in version 1 of The Plant List, record kew-80322.