![Bark [CC-BY-SA-3.0 Steve Cook]](http://www.polypompholyx.com/wp-content/uploads/2016/01/bark.jpg)
Top left to bottom right: Betula utilis var. jacquemontii, Pinus sylvestris, Prunus serrula, Pinus pinaster, Quercus suber, Araucaria araucana, Metasequoia glyptostroboides, Pinus bungeana, Betula ermanii × pubescens, Pinus nigra ssp. laricio, Betula albosinensis cv. Red Panda, Platanus × acerifolia.
