Festuca ovina vs sheep's fescue

Festuca ovina and sheep's fescue both are nouns.

Word	Noun	Adjective	Verb	Adverb
Festuca ovina	Yes	No	No	No
sheep's fescue	Yes	No	No	No

As nouns, Festuca ovina and sheep's fescue are synonyms defined as:

Festuca ovina and sheep's fescue: cultivated for sheep pasturage in upland regions or used as a lawn grass

Other synonyms of Festuca ovina include sheep fescue.

Festuca ovina (noun)	sheep's fescue (noun)
cultivated for sheep pasturage in upland regions or used as a lawn grass	cultivated for sheep pasturage in upland regions or used as a lawn grass