This Scabior photo contains
sitka spruce, picea sitchensis, american white birch, paper birch, paperbark birch, canoe birch, betula cordifolia, betula papyrifera, and douglas fir.
There might also be
ponderosa, ponderosa pine, western yellow pine, bull pine, pinus ponderosa, mahogany, mahogany tree, hemlock, and hemlock tree.