Plectocolea radicellosa (Mitt.) Mitt.

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

Miyazaki Pref. Higashimorokata-gun, Aya-cho, Ayakita valley. Broadleaved (evergreen and deciduous)-coniferous (Cryptomeria) mixed forest in the valley. On rock near water, in partial shade.

Deokgyu-san. Chonlabukdo. Musu. Deokgyu National Park. Area near the peak of Dyukyu Mt. Broadleaved forest on the slope. Fine-grained soil along roadside.