Pinus densiflora vs Japanese red pine

Pinus densiflora and Japanese red pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pinus densiflora	Yes	No	No	No
Japanese red pine	Yes	No	No	No

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

Pinus densiflora and Japanese red pine: pine native to Japan and Korea having a wide-spreading irregular crown when mature; grown as an ornamental

Other synonyms of Pinus densiflora include Japanese table pine.

Pinus densiflora (noun)	Japanese red pine (noun)
pine native to Japan and Korea having a wide-spreading irregular crown when mature; grown as an ornamental	pine native to Japan and Korea having a wide-spreading irregular crown when mature; grown as an ornamental