Fagus japonica cm long and glabrous. Fagus japonica Fagus japonica, known as the Japanese blue beech or in Japanese as inubuna ("dog buna") or kurobuna ("black buna"), is a deciduous tree of the beech family Fagaceae. It is native to Japan, where it is one of the main tree species in natural deciduous forests particularly on the Pacific side of the country. It reaches 25 metres in height. The growth habit is often multi-trunked. Bark is smooth and grey. The simple leaves are arranged alternately along the branch. They are slightly pubescent and slightly glaucous beneath, with 10–14 pairs of lateral nerves.
Hylorina sylvatica Hylorina sylvatica Hylorina sylvatica (also known as the Emerald forest frog, or in Spanish, sapo arboreo) is a species of frog in the family Batrachylidae. It is monotypic within the genus Hylorina. It is found in Argentina and Chile. This species is endemic to the austral "Nothofagus" forests of Chile and Argentina with a narrow distribution along the eastern slopes of the Andes. Male "Hylorina sylvatica" grow to snout-vent length of and females to . They are emerald-green during the day while they turn dark green at night. Adults can be found in permanent and temporary pools, swamps, and marshes.