
American Black Elderberry - Sambucus canadensis
A very useful plant - The berries are edible, if cooked and strained properly. They are commonly used to make pies, jelly, and wine. Also, whistles can be made out of the branches if the pith is removed.
It's sometimes classified as a conspecific under the name Sambucus nigra subsp. canadensis.
Habitat: Wetland edge

''Sambucus canadensis'', the American black elderberry, Canada elderberry, or common elderberry, is a species of elderberry native to a large area of North America east of the Rocky Mountains, south to Bolivia. It grows in a variety of conditions including both wet and dry soils, primarily in sunny locations.