Nature: Phylogeographical structure revealed by chloroplast DNA variation in Japanese Beech (Fagus crenata Blume) Japanese beech, Fagus crenata Blume, is widely distributed throughout Japan. This species often dominates typical cool–temperate deciduous forests, and together with Japanese oak (Quercus mongolica ... Phylogeographical structure revealed by chloroplast DNA variation in Japanese Beech (Fagus crenata Blume)