red pine vs Pinus resinosa

red pine and Pinus resinosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
red pine	Yes	No	No	No
Pinus resinosa	Yes	No	No	No

As nouns, red pine and Pinus resinosa are synonyms defined as:

red pine and Pinus resinosa: pine of eastern North America having long needles in bunches of two and reddish bark

Other synonyms of red pine include Canadian red pine.

red pine (noun)	Pinus resinosa (noun)
pine of eastern North America having long needles in bunches of two and reddish bark	pine of eastern North America having long needles in bunches of two and reddish bark
tall New Zealand timber tree