Oryzopsis hymenoides vs silk grass

Oryzopsis hymenoides and silk grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Oryzopsis hymenoides	Yes	No	No	No
silk grass	Yes	No	No	No

As nouns, Oryzopsis hymenoides and silk grass are synonyms defined as:

Oryzopsis hymenoides and silk grass: valuable forage grass of dry upland areas and plains of western North America to northern Mexico

Other synonyms of Oryzopsis hymenoides include Indian millet, mountain rice, silkgrass.

Oryzopsis hymenoides (noun)	silk grass (noun)
valuable forage grass of dry upland areas and plains of western North America to northern Mexico	valuable forage grass of dry upland areas and plains of western North America to northern Mexico