Phalaris arundinacea vs ribbon grass

Phalaris arundinacea and ribbon grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Phalaris arundinacea	Yes	No	No	No
ribbon grass	Yes	No	No	No

As nouns, Phalaris arundinacea and ribbon grass are synonyms defined as:

Phalaris arundinacea and ribbon grass: perennial grass of marshy meadows and ditches having broad leaves; Europe and North America

Other synonyms of Phalaris arundinacea include gardener's garters, lady's laces, reed canary grass.

Phalaris arundinacea (noun)	ribbon grass (noun)
perennial grass of marshy meadows and ditches having broad leaves; Europe and North America	perennial grass of marshy meadows and ditches having broad leaves; Europe and North America