Also, deciduous trees such as the keyaki (a type of elm) and the muku tree are not supposed to commonly grow in the mature forests located to the south of the flatlands in central Honshu (the main island of Japan).
また、ケヤキやムクノキなどの落葉樹も、本州中部の平地以南では、極相林にはあまり出現しないはずのものである。