This name is a synonym of Euphorbia ocellata subsp. arenicola (Parish) Oudejans.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 38136) with original publication details: Aliso 10: 141 1981.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:919775-1.
This name was in version 1 of The Plant List, record kew-38136, and has not been changed.