Illustrated oak leaves in autumn colors and acorns on a field of vivid blue. 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, Black Oak Quercus velutina