paspalum vs dallis grass

paspalum and dallis grass both are nouns.

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

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

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

Other synonyms of paspalum include dallisgrass, Paspalum dilatatum.

paspalum (noun)	dallis grass (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