This name is a synonym of Cupressus guadalupensis S.Watson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 382412) with original publication details: Syst. Bot. 31: 473 2006.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60443301-2.
This name was in version 1 of The Plant List, record kew-2692937.