Cottonwood trees can grow to huge heights. Notice the size of these cottonwoods, which are located at the upper parking lot, in comparison to the cars. The bark of young quaking aspen is white colored. Basswood trees often grow in clusters. The leaves of basswood trees are asymmetrical- they are lopsided at the base of the leaf.
Willow leave are long, narrow and slender.
Many willow trees like to grow near water. Elm leaves are oval and lop-sided with rough texture on the underside. Elm leaves appear shiny on the upper side. The leaves of the hackberry tree are oval and pointed. The hackberry tree has warty bark.