Mesoptychia igiana (S.Hatt.) L.Soderstr. et Vana

Slyudyanka District. Khamar-Daban Range. Valley of Utulik River. Populus sp.-Pinus sibirica-Picea obovata-Betula platyphylla-Sorbus sp.-fern-grass forest on the right river bank. On soil-covered moist rocks near the river bank, in partial shade.

Stanovoye Nagor'e Uplands. South Muya Range. Valley of Barguzin River. Near Balan-Tamur River. Pinus pumila-Ledum palustre-Bergenia crassifolia lichen community on rock field. On moist rock in brook bed.

Stanovoye Nagor'e Uplands. South Muya Range. Valley of Barguzin River. Near Balan-Tamur River. Pinus pumila-Ledum palustre-Bergenia crassifolia lichen community on rock field. On moist rock in brook bed.

East Sayan Mts. Kropotkin Range. Upper of Obtoy River. Alpine belt. Salix spp.-Rhododendron adamsii-Dryas sp.-grass community in rocky canyon. On moist rocks, in partial shade.

East Sayan Mts. Kropotkin Range. Upper of Obtoy River. Alpine belt. Salix spp.-Rhododendron adamsii-Dryas sp.-grass community in rocky canyon. On moist rocks, in partial shade.

Stanovoye Nagor'e Uplands. South Muya Range. Upper Barguzin River. Siberian dwarf-pine (Pinus pumila) shrubs with Alnus fruticosa, Rhododendron adamsii, Dryas sp. and mosses on rock slope in the forest-tundra belt. On rocks on steep slope.

Stanovoye Nagor'e Uplands. South Muya Range. Upper Barguzin River. Siberian dwarf-pine (Pinus pumila) shrubs with Alnus fruticosa, Rhododendron adamsii, Dryas sp. and mosses on rock slope in the forest-tundra belt. In wet niche between boulders.

East Sayan Mts. Kropotkin Range. Upper of Obtoy River. Alpine belt. Salix spp.-Rhododendron adamsii-Dryas sp.-grass community in rocky canyon. On moist rocks, in partial shade.

Stanovoye Nagor'e Uplands. Ikatskiy Range. Siberian dwarf-pine (Pinus pumila) shrubs with Betula ritundifolia, Rhododendron adamsii, lichens and mosses on rocky slope to the river in forest-tundra belt. On soil-filled rock ledges on bank of the waterfall.