Diplophyllum serrulatum (Mull.Frib.) Steph.

Shikoku Island, Kochi Pref., Nagaoka-gun, Otoyo-cho, Ou, Shiofuri Falls. Broadleaved evergreen-deciduous forest in stream valley. Mesic cliffs in part shade.

Jeju Island, Seogwipo-si, southern macroslope of Halla Mt., Donnaeko Valley. Mostly evergreen broadleaved forest in deep valley. Moist cliff, in part shade.

Kyushu Isl. Fukuoka Pref., Tagama-gun, Soeda-machi, Hiko-san Mt., Takasumi Shrine area. Broadleaved (evergreen and deciduous)-coniferous (Cryptomeria-Chamaecyparis) mixed forest on N-facing slope. Boulder on slope, in mesic conditions, in partial shade.

Kyushu Isl. Fukuoka Pref., Tagama-gun, Soeda-machi, Hiko-san Mt., Ubaga-futukoro. Broadleaved (evergreen and deciduous)-coniferous (Cryptomeria) mixed forest. Moist cliff on slope, in partial shade.

Hanryehaesang National Park in Jeonnam Prov., Kumsan Mt. Broadleaved deciduous-evergreen forest. Road cut.

Duryun Provincial Park in Jeonnam Prov. Daeheungsa (Tample) stream -Jinbulam part. Broadleaved deciduous - evergreen (Camelia) - coniferous (Pinus densiflora, Chamecyparis, Cephalotaxus) forest. Wet cliffs near stream.