Fagus japonica 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. Fruiting peduncles are 3–4
Carex sylvatica York and North Carolina, and to New Zealand, where it was first recorded in 1969. In its native range, "C. sylvatica" lives in deciduous woodlands on heavy soils; it is sometimes found in unwooded areas, but usually only as a relic of ancient woodland. In North America, it is generally found in disturbed areas within deciduous woodland. "Carex sylvatica" was first described by the English botanist William Hudson in his 1762 work "Flora Anglica". Hybrids have been reported between "C. sylvatica" and "C. strigosa" (in France) and between "C. sylvatica" and "C. hirta" (in Austria). Its English common name is