This name is a synonym of Taxus brevifolia Nutt..
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 379477) with original publication details: Deut. Dendrol. 6 1893.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:249726-2.
This name was in version 1 of The Plant List, record kew-2521713.