gardener's garters vs reed canary grass

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

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

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

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

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

gardener's garters (noun)	reed canary 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