Pinus thunbergii vs Japanese black pine

Pinus thunbergii and Japanese black pine both are nouns.

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

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

Pinus thunbergii and Japanese black pine: 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 Pinus thunbergii include black pine.

Pinus thunbergii (noun)	Japanese black pine (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