This Doctor Who screencap contains
sitka merapikan, sitchensis picea, sitka spruce, picea sitchensis, american birch putih, birch kertas, paperbark birch, kanu birch, betula cordifolia, betula papyrifera, birch putih amerika, and birch kanu.
There might also be
ponderosa, pain ponderosa, pain kuning barat, lembu pain, ponderosa pinus, ponderosa pine, barat kuning pine, jantan pine, pinus ponderosa, douglas fir, douglas firaun, cedar, and pokok cedar.
Basically the story of his three companions, Rose, Martha, and Donna, and how they can never stay with him long, and the Doctor has to let them go. Made sejak zcatz.