Japan, Honshu Island, Yamaguchi Prefecture; in the village of Sengo-Kubaram 2 miles n.w of Yokoyama village, Iwakuni City, (25.6 miles west of Hiroshima City), base of east slope of Castle Mountain (Shiro-yama) National Fores, west bank of the Nishiki River., Yamaguti, Japan, Asia-Temperate