Synonyms for Dwarf Elder (same or very similar meaning)
WordNet sense 1 (dwarf herbaceous elder of Europe having pink flowers and a nauseous odor):
danewort, Sambucus ebulusWordNet sense 2 (bristly herb of eastern and central North America having black fruit and medicinal bark):
bristly sarsaparilla, Aralia hispida, bristly sarsparillaFrom the ODE community, based on WordNetadd/edit