Honshu Island. Edges of mountain rivulet in bed of ravine near Hakusan Shrine. Yamaguchi Prefecture: in vicinity of Kika Park, base of east slope of Castle Mountain (Shiro-yama) National Forest, west bank of Nishiki River, Yokoyama village in Iwakuni City. (25.6 miles west of Hiroshima City)., Yamaguti, Japan, Asia-Temperate