This name is a synonym of Taxus canadensis Marshall.
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 379480) with original publication details: Fl. Bor.-Amer. 2: 245 1803.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:249735-2.
This name was in version 1 of The Plant List, record kew-2521716.