Japanese black pine vs Pinus thunbergii

Japanese black pine and Pinus thunbergii both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese black pine	Yes	No	No	No
Pinus thunbergii	Yes	No	No	No

As nouns, Japanese black pine and Pinus thunbergii are synonyms defined as:

Japanese black pine and Pinus thunbergii: large Japanese ornamental having long needles in bunches of 2; widely planted in United States because of its resistance to salt and smog

Other synonyms of Japanese black pine include black pine.

Japanese black pine (noun)	Pinus thunbergii (noun)
large Japanese ornamental having long needles in bunches of 2; widely planted in United States because of its resistance to salt and smog	large Japanese ornamental having long needles in bunches of 2; widely planted in United States because of its resistance to salt and smog