tall field buttercup vs meadow buttercup

tall field buttercup and meadow buttercup both are nouns.

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

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

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

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

tall field buttercup (noun)	meadow 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