The leaves of 10 oak trees in both green and autumn colors, as well as the acorns from those trees. Featured: White Oak Quercus alba, Scarlet Oak Quercus coccinea, Northern Pin Oak, Quercus ellipsoidalis, Shingle Oak Quercus imbricaria, Burr Oak Quercus macrocarpa, Pin Oak Quercus palustris, Willow Oak Quercus phellos, Red Oak/Northern Oak Quercus rubra, Post Oak Quercus stellata, and Black Oak Quercus velutina.