The following key is based on the use of only the leaves and branches, since they are the simplest parts of the tree to use for identification during the summer months when trees are in full foliage. To identify your tree, you'll be making a series of choices based upon sketches, photographs, and tree characteristics. Through a process of elimination, you'll arrive at an identification of your tree. In some cases the trees have not been keyed out to the individual species.
Are the leaves needle-like leaves