genus Zoysia vs Zoisia

genus Zoysia and Zoisia both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Zoysia	Yes	No	No	No
Zoisia	Yes	No	No	No

As nouns, genus Zoysia and Zoisia are synonyms defined as:

genus Zoysia and Zoisia: lawn grasses native to southeastern Asia and New Zealand; grown especially in warm regions

Other synonyms of genus Zoysia include genus Zoisia.

genus Zoysia (noun)	Zoisia (noun)
lawn grasses native to southeastern Asia and New Zealand; grown especially in warm regions	lawn grasses native to southeastern Asia and New Zealand; grown especially in warm regions