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 460497) with original publication details: Vilm. Blumengärtn. ed. 3 1: 1243 1896.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Taxus baccata in version 1 of The Plant List.