dallis grass vs paspalum

dallis grass and paspalum both are nouns.

Word	Noun	Adjective	Verb	Adverb
dallis grass	Yes	No	No	No
paspalum	Yes	No	No	No

As nouns, dallis grass and paspalum are synonyms defined as:

dallis grass and paspalum: tall tufted perennial tropical American grass naturalized as pasture and forage grass in southern United States

Other synonyms of dallis grass include dallisgrass, Paspalum dilatatum.

dallis grass (noun)	paspalum (noun)
tall tufted perennial tropical American grass naturalized as pasture and forage grass in southern United States	tall tufted perennial tropical American grass naturalized as pasture and forage grass in southern United States