This name is a synonym of Tsuga canadensis (L.) Carrière.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 460724) with original publication details: Cult. Conif. 124 1933.
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 Tsuga canadensis in version 1 of The Plant List.