This Sheenism® (Religion For Sheen Addicts) photo contains
sitka spruce, picea sitchensis, mahogany, mahogany tree, beech, and beech tree.
There might also be
ponderosa, ponderosa pine, western yellow pine, bull pine, pinus ponderosa, american white birch, paper birch, paperbark birch, canoe birch, betula cordifolia, betula papyrifera, and douglas fir.