fescue grass vs meadow fescue

fescue grass and meadow fescue both are nouns.

Word	Noun	Adjective	Verb	Adverb
fescue grass	Yes	No	No	No
meadow fescue	Yes	No	No	No

As nouns, fescue grass and meadow fescue are synonyms defined as:

fescue grass and meadow fescue: grass with wide flat leaves cultivated in Europe and America for permanent pasture and hay and for lawns

Other synonyms of fescue grass include fescue, Festuca elatior.

fescue grass (noun)	meadow fescue (noun)
grass with wide flat leaves cultivated in Europe and America for permanent pasture and hay and for lawns	grass with wide flat leaves cultivated in Europe and America for permanent pasture and hay and for lawns