Japanese carpet grass vs Zoysia matrella

Japanese carpet grass and Zoysia matrella both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese carpet grass	Yes	No	No	No
Zoysia matrella	Yes	No	No	No

As nouns, Japanese carpet grass and Zoysia matrella are synonyms defined as:

Japanese carpet grass and Zoysia matrella: lawn grass common in the Philippines; grown also in United States

Other synonyms of Japanese carpet grass include Manila grass.

Japanese carpet grass (noun)	Zoysia matrella (noun)
lawn grass common in the Philippines; grown also in United States	lawn grass common in the Philippines; grown also in United States