wild sage vs vervain sage

wild sage and vervain sage both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild sage	Yes	No	No	No
vervain sage	Yes	No	No	No

As nouns, wild sage and vervain sage are synonyms defined as:

wild sage and vervain sage: Eurasian sage with blue flowers and foliage like verbena; naturalized in United States

Other synonyms of wild sage include Salvia verbenaca, wild clary.

wild sage (noun)	vervain sage (noun)
Eurasian sage with blue flowers and foliage like verbena; naturalized in United States	Eurasian sage with blue flowers and foliage like verbena; naturalized in United States