The cover and spine contained an image of three brown oak leaves. It was trimmed in brown oak and the ceiling showed open truss work. Rhododendron, fir, brown oak, and birch species are found in the sub-alpine region. Archips crataegana, the brown oak tortrix, is a moth of the family Tortricidae. The most common tree in the forest is the English or brown oak (Quercus robur).