Conocephalum japonicum (Thunb.) Grolle

о. Итуруп. Valley of Khvoynaya River near Gornyy Settl., Duschekia flood-valley forest with admixture of Betula and Sorbus and cover of high herbs. Stones along river, sometimes splashed by water.

о. Кунашир. Ruruj Hot Springs Area. Destroying travertine cone, in percolated thermal water.

о. Сахалин. Southern Part. Zhdanko Mt., western slope. Abies leptolepis-Betula ermanii forest. Sandy loam along stream.

Jeju-do, Seogwipo-si, Sanghyo-dong, Sooak valley. On shaded rocks (basalt) covered thin soil near the stream in broad-leaved evergreen forest.

Honshu, Hiroshima-ken, Higashi-hiroshima-shi, Kagamiyama, on moist soil.