Ranunculus acris vs meadow buttercup

Ranunculus acris and meadow buttercup both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ranunculus acris	Yes	No	No	No
meadow buttercup	Yes	No	No	No

As nouns, Ranunculus acris and meadow buttercup are synonyms defined as:

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

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

Ranunculus acris (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