This Creativity photo contains
beech, beech tree, live oak, california white oak, valley oak, valley white oak, roble, and quercus lobata.
There might also be
ponderosa, ponderosa pine, western yellow pine, bull pine, pinus ponderosa, snowbank, snow bank, american white birch, paper birch, paperbark birch, canoe birch, betula cordifolia, and betula papyrifera.