Oryzopsis miliacea vs smilo grass

Oryzopsis miliacea and smilo grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Oryzopsis miliacea	Yes	No	No	No
smilo grass	Yes	No	No	No

As nouns, Oryzopsis miliacea and smilo grass are synonyms defined as:

Oryzopsis miliacea and smilo grass: perennial mountain rice native to Mediterranean region and introduced into North America

Other synonyms of Oryzopsis miliacea include smilo.

Oryzopsis miliacea (noun)	smilo grass (noun)
perennial mountain rice native to Mediterranean region and introduced into North America	perennial mountain rice native to Mediterranean region and introduced into North America