This name is a synonym of Cupressus dupreziana var. atlantica (Gaussen) Silba.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 383233) with original publication details: Phytologia 49: 398 1981.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:919820-1.
This name was in version 1 of The Plant List, record kew-2748782, and has not been changed.