Tsuga canadensis vs Canadian hemlock

Tsuga canadensis and Canadian hemlock both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tsuga canadensis	Yes	No	No	No
Canadian hemlock	Yes	No	No	No

As nouns, Tsuga canadensis and Canadian hemlock are synonyms defined as:

Tsuga canadensis and Canadian hemlock: common forest tree of the eastern United States and Canada; used especially for pulpwood

Other synonyms of Tsuga canadensis include eastern hemlock, spruce pine.

Tsuga canadensis (noun)	Canadian hemlock (noun)
common forest tree of the eastern United States and Canada; used especially for pulpwood	common forest tree of the eastern United States and Canada; used especially for pulpwood