Canadian red pine vs pine tree

Canadian red pine and pine tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Canadian red pine	Yes	No	No	No
pine tree	Yes	No	No	No

As nouns, pine tree is a hypernym of Canadian red pine; that is, pine tree is a word with a broader meaning than Canadian red pine:

Canadian red pine: pine of eastern North America having long needles in bunches of two and reddish bark
pine tree: a coniferous tree

Other hypernyms of Canadian red pine include pine, true pine.

Canadian red pine (noun)	pine tree (noun)
pine of eastern North America having long needles in bunches of two and reddish bark	a coniferous tree