Sambucus mexicana - image Sambucus mexicana - image Sambucus nigra - image Sambucus nigra - Description of the Elder and photographs of flowers, leaves, berries and an off-the-ground tree. Sambucus racemosa - Information on distribution and occurrence, value and use, characteristics, and fire ecology. Sambucus nigra - Description and range of the American Elderberry, with photographs of twig, bark, leaves, flowers, fruit and form. Sambucus nigra ssp. cerulea: Blue Elderberry - Tree identification fact sheet with photos of the leaf, flower, fruit, twig, bark and form. Sambucus racemosa: Red Elderberry - Information and photos of leaf, twig, bark, fruit and mature tree.