Phalaris arundinacea vs gardener's garters

Phalaris arundinacea and gardener's garters both are nouns.

Word	Noun	Adjective	Verb	Adverb
Phalaris arundinacea	Yes	No	No	No
gardener's garters	Yes	No	No	No

As nouns, Phalaris arundinacea and gardener's garters are synonyms defined as:

Phalaris arundinacea and gardener's garters: perennial grass of marshy meadows and ditches having broad leaves; Europe and North America

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

Phalaris arundinacea (noun)	gardener's garters (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