red-berried elder vs Sambucus pubens

red-berried elder and Sambucus pubens both are nouns.

Word	Noun	Adjective	Verb	Adverb
red-berried elder	Yes	No	No	No
Sambucus pubens	Yes	No	No	No

As nouns, red-berried elder and Sambucus pubens are synonyms defined as:

red-berried elder and Sambucus pubens: common North American shrub or small tree

Other synonyms of red-berried elder include American red elder, stinking elder.

red-berried elder (noun)	Sambucus pubens (noun)
Eurasian shrub	common North American shrub or small tree
common North American shrub or small tree