prairie cordgrass vs Spartina pectinmata

prairie cordgrass and Spartina pectinmata both are nouns.

Word	Noun	Adjective	Verb	Adverb
prairie cordgrass	Yes	No	No	No
Spartina pectinmata	Yes	No	No	No

As nouns, prairie cordgrass and Spartina pectinmata are synonyms defined as:

prairie cordgrass and Spartina pectinmata: North American cordgrass having leaves with dry membranous margins and glumes with long awns

Other synonyms of prairie cordgrass include freshwater cordgrass, slough grass.

prairie cordgrass (noun)	Spartina pectinmata (noun)
North American cordgrass having leaves with dry membranous margins and glumes with long awns	North American cordgrass having leaves with dry membranous margins and glumes with long awns