Zoysia japonica vs Japanese lawn grass

Zoysia japonica and Japanese lawn grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Zoysia japonica	Yes	No	No	No
Japanese lawn grass	Yes	No	No	No

As nouns, Zoysia japonica and Japanese lawn grass are synonyms defined as:

Zoysia japonica and Japanese lawn grass: lawn grass common in China and Japan; grown also in United States

Other synonyms of Zoysia japonica include Korean lawn grass.

Zoysia japonica (noun)	Japanese lawn grass (noun)
lawn grass common in China and Japan; grown also in United States	lawn grass common in China and Japan; grown also in United States