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On dead moss on moist habitat. Alt. c.400m. Plateau, Cockburn Island. Antarctic Peninsula

Quartz-mica shist near shore. Alt. 3 m. Berntsen Point, Signy Island. South Orkney Islands

On marble, Alt. c. 50 ft. Marble Knolls near Waterpipe Beach, Signy Island. South Orkney Islands

On oak barrels, Alt. 15 ft. Drying Point, Borge Bay, Signy Island. South Orkney Islands

On stones at margin of stone stripe. Alt. 25-40m. N end of False Island Point, Vega Island. Antarctic Peninsula

On boulders, stones and bedrock. Alt. c.450m. Summit, Cockburn Island. Antarctic Peninsula

On maritime outcrop, Alt. 15m. Ullmann Spur, King George Island. South Shetland Islands

Soil and moribund moss on raised beach near hut. Alt. 5 m. Blaiklock Island. Antarctic Peninsula, Loubet Coast

Dry rocks. Alt. 10 m. Horseshoe Island, North Marguerite Bay. Antarctic Peninsula, Fallieres Coast

On moss (Andreaea regularis) on stony ground. Alt. 35 m. Express Cove, Signy Island. South Orkney Islands

On timber of old pumphouse (early 1920's). Alt. 10 m. Pumphouse Lake, Signy Island. South Orkney Islands

On concrete of aerial foundation. Alt. 10 m. Slope south of Factory Cove, Signy Island. South Orkney Islands

On moist rock face, on moss (Andreaea). Alt. 25 m. Factory Bluffs, Signy Island. South Orkney Islands

Dry sandstone. Alt. 150 m. Mars Oasis, upper moraine, Alexander Island. Antarctic Peninsula, Alexander Island

On soil and moribund moss. Alt. 600 m. Natal Ridge, east end, Alexander Island. Antarctic Peninsula, Alexander Island

South facing side of massive sandstone boulder. Alt. 150m. Upper moraine, Mars Oasis, Alexander Island. Antarctic Peninsula, Alexander Island

Moist micro-fissures in shaded rock face. Alt. 600 m. Cliff below summit of Pyramid, Fossil Bluff, Alexander Island. Antarctic Peninsula, Alexander Island

Growing on grey crustose lichen (09229B), on dry stony margins of solifluction lobes. Alt. 2-3 m. Near West shore of Ablation Lake to S. of main stream, Ablation Valley, Alexander Island. Antarctic Peninsula, Alexander Island

Moist shaded rock crevice. Alt. 5 m. Mid-eastern bluff, Rothera Point, Adelaide Island. Antarctic Peninsula

Fissures beneathe small overhangs on rockface. Alt. 10 m. Cliff above mid-east side of Rothera Point facing SE, Adelaide Island. Antarctic Peninsula

Dry rock. Alt. 10 m. Rothera Point, Adelaide Island, Marguerite Bay. Antarctic Peninsula

Wet rock face below moss banks, facing north-west, Alt. 20 ft. Knife Point, Signy Island. South Orkney Islands

Fairly dry, exposed ledges on boulders, Alt. 327 ft. summit of Scar Hills, Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast

On rock, Alt. 107 m. 3.5 km. east of Muckle Bluff, Elephant Island. South Shetland Islands

Cliff face, Alt. 2 m. slopes behind shore 3 km. SW of Walker Point, Elephant Island. South Shetland Islands

Maritime rocks, Alt. 15 ft. Skua Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

On stones among shells, exposed, dry, level aspect, Alt. 17 m. Rothera Point, Adelaide Island. Antarctic Peninsula, Loubet Coast

On spine of whale vertebra, Alt. 10 ft. South shore of Factory Cove, Signy Island. South Orkney Islands

On whale vertebra, Alt. 20 ft. South shore of Borge Bay, Signy Island. South Orkney Islands

Crevices and depressions in rocks, Alt. 20 ft. Marble Knolls, Three Lakes Valley, Signy Island. South Orkney Islands

On soil on ridge of moraine, Alt. 60 ft. East margin of Orwell Glacier, Signy Island. South Orkney Islands

Summit of east-facing outcrop, Alt. 20 m. Spark Point, Discovery Bay, Greenwich Island. South Shetland Islands

Stones on scree slope, Alt. 400 ft. Towards northern end of east side of Vindication Island. South Sandwich Islands

Rocks, 5 miles north of Cape Alexander, Adelaide Island. Antarctic Peninsula, Fallieres Coast

Small rock outcrop on raised beach, Alt. 25 m. Barnard Point, Livingston Island. South Shetland Islands

Exposed surfaces of rock outcrop on raised beach, Alt. 17 m. Extreme east end of Barnard Point, Livingston Island. South Shetland Islands

Rocks at high tide level, Alt. 6 m. Johnsons Dock, Livingston Island. South Shetland Islands

On Patinigera, in crevices in maritime outcrops, Alt. 10 m. Extreme east end of South Beaches, Byers Peninsula, Livingston Island. South Shetland Islands

On low friable basalt outcrop on beach about 10 metres from sea, Alt. 6 m. South Beaches, Byers Peninsula, Livingston Island. South Shetland Islands

On soil and moss. Alt. 150m. Fortress Hill Plateau, James Ross Island. Antarctic Peninsula

On moss. On faces and tops of large boulders at base of ridge slope. Plants on all faces of rock (though not on all faces of any one rock). Alt. 30-60m. At head of valley below col in Telefon Ridge. Deception Island. South Shetland Islands

On scoria. Large rock in the middle of the valley floor 200m inland. Alt. 5m. The land centre. Deception Island. South Shetland Islands

On dead moss. Alt. 25m. Knife Point, Signy Island. South Orkney Islands

On hornblende-schist stones. Alt. 80m. W side of Factory Bluff. Signy Island. South Orkney Islands

Rock above shore, just above high water mark. Alt. 1-2m. NE Waterpipe Beach, Signy Island. South Orkney Islands

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

On marble rock slab, Alt. 20 m. South end of Marble Knolls, Signy Island. South Orkney Islands

On lava in spray zone. Alt. 5 m. East coast, near south-east corner, Prince Edward Island. Prince Edward Islands

Bottom of north-facing slope, covering all small damp scree between larger rocks, Alt. 15 ft. above beach near Scar Hills, south, northern side of Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast

Bottom of north-facing slope covering all small damp scree, between larger rocks, Alt. 15 ft. above beach near Scar Hills, south, northern side of Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast