Plectocolea vulcanicola (Schiffn.) Bakalin

Kuriles Islands, Iturup Island, Medvezh`ya Bay, Strashnaya River Valley, Teploe Lake, on soil

о. Итуруп. Russian Far East. Baranskogo volcano area. The first Sulphur Stream. Along sulphur stream.

о. Итуруп. Baranskogo volcano. Area near the peak. Fumaroles field in mountain circus on South slope of volcano. On bank of sulphur spring.

о. Кунашир. Southern Part. Kislaya River. In the area of thermal Springs. On wet fine-grained soil with sulphur in the stream of hot water.

о. Кунашир. Southern Part. Goryachyee Lake Area. In the cliff crevices along coast of Kipyashchyee Lake 150 m alt.