reed canary grass vs gardener's garters

reed canary grass and gardener's garters both are nouns.

Word	Noun	Adjective	Verb	Adverb
reed canary grass	Yes	No	No	No
gardener's garters	Yes	No	No	No

As nouns, reed canary grass and gardener's garters are synonyms defined as:

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

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

reed canary grass (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