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Cliff face, Alt. 200 ft. Cape Tuxen, Graham Coast. Antarctic Peninsula, Graham Coast

On small outcrop of granite, Alt. 10 ft. North side of Safety Col, Red Rock Ridge, near Stonington Island, Marguerite Bay. Antarctic Peninsula, Fallieres Coast

On ledges and small walls, amongst broken ground, south-east facing, Alt. 250 ft. East slope of Scar Hills, Hope Bay. Antarctic Peninsula

On rock, Alt. 152m. South end of Clarence Island. South Shetland Islands

On exposed rock surfaces, Alt. 400 ft. Petermann Island, Graham Coast. Antarctic Peninsula, Graham Coast

On N facing slope. Alt. 50 m. Powell Island. South Orkney Islands

Growing through tuft of Dicranum. Alt. 33m. Twin headlands between Cape Disappointment and Falkland Harbour. Powell Island. South Orkney Islands

On rock. Alt. 33m. Twin headlands between Cape Disappointment and Falkland Harbour, Powell Island. South Orkney Islands

On cliffs. Alt. 100 m. Paal Harbour, Signy Island. South Orkney Islands

Rocks, Alt. 100 ft. Berntsen Point, Signy Island. South Orkney Islands

Alt. 2-50 m. Cape Rosa South Georgia

On dry and exposed andesite rock outcrops. Alt. 230 m. Bastion Hill between Tower Glacier and Windy Glacier, Admiralty Bay, King George Island. South Shetland Islands

Encrusting rock, Alt. 1550 ft. Mount Duse, Cumberland East Bay. South Georgia

On rock, Alt. c. 50 ft. Near the base hut, Blaiklock Island, Loubet Coast. Antarctic Peninsula, Loubet Coast

On very dry rock faces, Alt. 250 ft. Hermit Island, Arthur Harbour, Anvers Island, Danco Coast. Antarctic Peninsula, Danco Coast

Growing on wooden spars on part of small concrete dam built in 1928. About 0.5 mile N of Grytviken whaling station, Cumberland East Bay. South Georgia

Stable dry block scree, receiving no sunshine, Alt. 2000 ft. c. 15-20 m below summit on south side of un-named peak north of Hamberg Glacier. South Georgia

Dry rock surface. Alt. 8m. Close to cave mouth, Maiviken, Cumberland West Bay. South Georgia

Top of isolated buttress on N ridge of Victoria Peak, exposed, "Victoria Island", Alt. 400 m. West of Chiriguano Bay, Brabant Island. Antarctic Peninsula

Rock surface, Old base, Anvers Island, Danco Coast. Antarctic Peninsula, Danco Coast

On wood, Alt. 25 ft. Old base hut, Signy Island. South Orkney Islands

On wood debris, Alt. 30 ft. Around base hut, Borge Bay, Signy Island. South Orkney Islands

North side of vertical cliff face, Alt. 30 ft. Knife Point, Borge Bay, Signy Island. South Orkney Islands

On wood debris, Alt. 150 ft. East slopes of hill between Factory Cove and Paal Harbour, Signy Island. South Orkney Islands

On dry south-facing greywacke boulder, Alt. 50 m. Above Hope Point, Cumberland East Bay. South Georgia

On dry north-facing cliff, Alt. 20 m. Cliffs between King Edward Point and Grytviken, Cumberland East Bay. South Georgia

On mosses and knolls near giant petrel colony, Alt. 100-300 ft. SW region flanking ice-cap, Candlemas Island. South Sandwich Islands

On moss mats, Alt. 400 ft. Within main crater on west side, Bellingshausen Island. South Sandwich Islands

On Polytrichum-Dicranum banks, Alt. 50 ft. Valley running down to Mooring Point, Borge Bay, Signy Island. South Orkney Islands

Dry rock surfaces, Emperor Islands, Dion Islands. Antarctic Peninsula, Fallieres Coast

Raised beaches, Alt. 1000 ft. NE beach, S of prominent bluff at NE end of Jenny Island. Antarctic Peninsula, Fallieres Coast

On moraines, South east of Argentinian Base, near Crater Lake, Deception Island. South Shetland Islands

Dry rocks on scree slope, Alt. 100 ft. Barnard Point, Livingston Island. South Shetland Islands

On pebbles on raised beach facing south, Alt. 17 m. Barnard Point, Livingston Island. South Shetland Islands

Small stones on highest raised beach, Alt. 60 ft. Barnard Point, Livingston Island. South Shetland Islands

On north facing rock, Alt. 10 m. South side of Vietor Rock, South Beaches, Byers Peninsula, Livingston Island. South Shetland Islands

Gravelly soil on level part of basalt outcrop, Alt. 25 m. Spit Point, Yankee Harbour, Greenwich Island. South Shetland Islands

On boulders near gull rookery, Alt. 40 ft. Lynch Island. South Orkney Islands

On wood, Alt. 25 ft. On south end of old base hut, Signy Island. South Orkney Islands

Flat rock on hilltop, facing north, Alt. 200 ft. Cummings Cove, Signy Island. South Orkney Islands

On rocks above beach, facing NE, Alt. 15 ft. Factory Cove, Signy Island. South Orkney Islands

Nitrogenous melt crevices on west facing cliffs, Alt. 50 ft. Lenton Point, Signy Island. South Orkney Islands

On rocks everywhere, Alt. 30 ft. Knife Point, Signy Island. South Orkney Islands

Exposed north facing rock, Alt. 20 ft. Factory Cove, Signy Island. South Orkney Islands

On pebbles on dry ground, Alt. 50 ft. Berntsen Point, Signy Island. South Orkney Islands

Vertical east face of exposed moraine boulder, Shingle Cove, Coronation Island. South Orkney Islands

On ledge, Alt. 100-1500 ft. north side of Churchill Peninsula, Oscar II Coast. Antarctic Peninsula, Oscar II Coast

On small granite nunatak, Alt. 60 ft. 2 miles south-east of Cape Casey, Cabinet Inlet, Foyn Coast. Antarctic Peninsula, Foyn Coast

Found below mountain slope, Cuverville Island. Antarctic Peninsula, Danco Coast

On rock between Rhizoplaca sp. on NW-side of the hill. Alt. 20 m. Highest hill near the coast, NW part of Cuverville Island. Antarctic Peninsula, Danco Coast