smilo grass vs Oryzopsis miliacea

smilo grass and Oryzopsis miliacea both are nouns.

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

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

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

Other synonyms of smilo grass include smilo.

smilo grass (noun)	Oryzopsis miliacea (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