Festuca elatior vs fescue

Festuca elatior and fescue both are nouns.

Word	Noun	Adjective	Verb	Adverb
Festuca elatior	Yes	No	No	No
fescue	Yes	No	No	No

As nouns, Festuca elatior and fescue are synonyms defined as:

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

Other synonyms of Festuca elatior include fescue grass, meadow fescue.

Festuca elatior (noun)	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