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In moist hollow on slope behind base, Alt. 25 m. Station, Signy Island. South Orkney Islands

Polytrichum and Chorisodontium bank, Alt. 80 m. SE of Hillier Moss, Gourlay Peninsula, Signy Island. South Orkney Islands

Margin of runnel, Alt. 15 m. SE of Hillier Moss, Gourlay Peninsula, Signy Island. South Orkney Islands

Slope behind Station, Alt. 70 m. Signy Island. South Orkney Islands

Wet hollow around base of rock outcrop. Alt. 50 m. Slope behind BAS station, Factory Cove, Signy Island. South Orkney Islands

On branches of Nothomyrica in dense, moist woods. Alt. c. 1400-1800 ft. Masatierra, trail to Portezuelo de Villagra. Juan Fernandez

Chile, prov. Coquimbo, Loma Fray jorges, ex arboribus pendulum, 670 m.s.m. South America

On tree branches in dense grove, summit of ridge. Alt. 1700 ft. Masatierra, Cordon Salsipuedes. Juan Fernandez

West slope Azimuth. Campbell Island

In forest. Laurie Harbour, Auckland Island. Auckland Islands

Chile, Porv. de Cautin, Temuco, Cerro Nielol, corticicola en bosque sombrio autoctono, 250 m.s.m., bastante numerosamente. South America, Chile

On sheltered rock outcrop, Alt. 60 m. North side of Vallee des Branloires, south-east of Mont de l'Alouette, Possession Island. Crozet

On rock at back of beach, Alt. 5 m. Cliffs leading to beach, north side of Baie Americaine, Possession Island. Crozet

On sheltered moist surface of boulder, Alt. 20 m. At riverside midway between junction of two main tributaries of river leading to Crique de la Chaloupe and the sea, Possession Island. Crozet

Growing as isolated stems on undersurface of moist rock overhang, Alt. 200 m. South bank of Malpasee Riviere, Possession Island. Crozet

On moist undersurface of rock overhang, Alt. 200 m. Rock outcrops overlooking Riviere du Camp, north-east of Mt. Branca, Possession Island. Crozet

Presqu|ile Jeanne d'Arc Kerguelen

Tuff cliff face, slightly sheltered. Alt. 10 m. South of Cave Bay, Prince Edward Island. Prince Edward Islands

Bras de la Fonderie. Kerguelen

Dry sandy pockets of soil amongst stones. Alt. 10-15 m. Area to the south of former British base hut, to the south of Lystad Bay, Horseshoe Island, North Marguerite Bay. Antarctic Peninsula, Fallieres Coast

Dry cliff near shore, Alt. 25 ft. To north of lower end of Sorling Valley. South Georgia

In damp crevices of north facing rocks, Alt. 100 ft. Point at NW entrance to Sea Leopard Fjord. South Georgia

By coastal rocks, Alt. c. 10 ft. Burnet Cove, Maiviken. South Georgia

On moderately sheltered rock surface, Alt. 280 m. Ridge north of northern branch of Malpasee River, Possession Island. Crozet

Feldmark, exposed. NE Highland, Prince Edward Island. Prince Edward Islands

Feldmark, exposed. Alt. 150 m. Grey lava, west of Prince Edward Island. Prince Edward Islands

Tasmania, Hartz Mountain. Australia

On marble. Alt. 55m. Summit of hill, Gourlay Peninsula, Signy Island. South Orkney Islands

Rock above shore, facing sea. Dark brown. Alt. 1-2m. NE Waterpipe Beach, Signy Island. South Orkney Islands

Schistose rock cliff facing south in splash zone, Alt. 1.5 m. Hope Point, Cumberland East Bay. South Georgia

On submerged stones in streams, Alt. 50 m. Stream connecting Emerald and Twisted Lakes, Signy Island. South Orkney Islands

Stones in pond in depression between ridges, Alt. 300 m. 2 km north of Mount Hodges, Cumberland West Bay. South Georgia

West-facing dry slopes, Alt. 30 m. Turret Point, King George Island. South Shetland Islands

On boulders near shore, Alt. 20 ft. Berntsen Point, Borge Bay, Signy Island. South Orkney Islands

In seepage channels, Alt. 10 ft. Berntsen Point, Borge Bay, Signy Island. South Orkney Islands

East facing cliff, Alt. 10 ft. SW tip of largest Thule Island, Borge Bay, Signy Island. South Orkney Islands

Pools on marble, Alt. 100 ft. Marble Knolls, Three Lakes Valley, Signy Island. South Orkney Islands

Stones in melt stream, Alt. 15 ft. South part of Port Jebsen, Signy Island. South Orkney Islands

On greywacke of south-facing cliff, within spray zone, Alt. 3 m. Hope Point, Cumberland East Bay. South Georgia

Dry stony, exposed, barren level scree, Alt. c. 1000 ft. Between Sorlilng Valley and Lonneberg Valley, above Hound Bay, Barff Peninsula. South Georgia

Frequent on stones 5-35 cm deep in small lake, Alt. c. 310 m. To west of Mount Skittle. South Georgia

Abundant on stones in bed of fairly fast flowing stream, Alt. c. 20 m. Stream in Wanderer Valley, Jordan Cove, Bird Island. South Georgia

In tidal zone on basalt rocks. Alt. 1 m. Emerald Point, Cardozo Cove, Ezcurra Inlet, Admiralty Bay, King George Island. South Shetland Islands

Rock above shore, facing sea. Black. Alt. 2-4m. NE Waterpipe Beach, Signy Island. South Orkney Islands

Intertidal rocks, especially near the low water mark. Alt. 0m. Vestfold Hills, Davis Station area. Ingrid Christensen Coast. Antarctica, Enderby Sector

West side of Astrolabe Island. On moist cliff face and rocks. Antarctic Peninsula

Stones in hollows, Alt. 10 m. Courtier Island, Dion Islands, Fallieres Coast. Antarctic Peninsula, Fallieres Coast

Coastal rocks wet from meltwater from above, Alt. 10 ft. East side of Galindez Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

On rocks at edge of turf, Alt. 8 m. Rocks in bay, west end of Byers Peninsula, opposite Astor Island, Livingston Island. South Shetland Islands

On exposed, west-facing cliff, Alt. 5 ft. Billie Rocks, Borge Bay, Signy Island. South Orkney Islands