meadow buttercup vs tall field buttercup

meadow buttercup and tall field buttercup both are nouns.

Word	Noun	Adjective	Verb	Adverb
meadow buttercup	Yes	No	No	No
tall field buttercup	Yes	No	No	No

As nouns, meadow buttercup and tall field buttercup are synonyms defined as:

meadow buttercup and tall field buttercup: perennial European buttercup with yellow spring flowers widely naturalized especially in eastern North America

Other synonyms of meadow buttercup include Ranunculus acris, tall buttercup, tall crowfoot.

meadow buttercup (noun)	tall field buttercup (noun)
perennial European buttercup with yellow spring flowers widely naturalized especially in eastern North America	perennial European buttercup with yellow spring flowers widely naturalized especially in eastern North America