tall buttercup vs tall crowfoot

tall buttercup and tall crowfoot both are nouns.

Word	Noun	Adjective	Verb	Adverb
tall buttercup	Yes	No	No	No
tall crowfoot	Yes	No	No	No

As nouns, tall buttercup and tall crowfoot are synonyms defined as:

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

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

tall buttercup (noun)	tall crowfoot (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