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Dry rock face, Alt. 80 m. South of main island, adjacent to western spur, Petermann Island. Antarctic Peninsula

In rock crack in gully, Alt. 30 m. Third peninsula from Depeaux Point, Petermann Island, Graham Coast. Antarctic Peninsula, Graham Coast

Dry, fine, sandy soil close to foot of high cliff. Alt. 30m. Vestfold Hills, near Taleg Gorge. Ingrid Christensen Coast. Antarctica, Enderby Sector

Buried in ash. Alt. 50 ft. Catherdral Crags, near Fildes Pt., Deception Island. South Shetland Islands

On fine alluvial soil adjacent to stream, SE-facing. Alt. c. 200 m. Upper Moutonee Valley, Alexander Island. Antarctic Peninsula, Alexander Island

In water course on SW-facing scree slope. Alt. c. 420 m. Middle Flatiron Valley, Alexander Island. Antarctic Peninsula, Alexander Island

Alt. 532 m. High Flatiron, Alexander Island. Antarctic Peninsula, Alexander Island

Moist gravelly soil in sheltered depression fed by snow bank. Alt. 500 m. Upper Flatiron, Alexander Island. Antarctic Peninsula, Alexander Island

Fine sand at margin of flood plain. Alt. 50 m. Ares Oasis, Alexander Island. Antarctic Peninsula, Alexander Island

Forming a dense mat around lake. 120 x 50m. Alt. 12m. By small lake to the N of Crater Lake. Deception Island. South Shetland Islands

Close to melt stream, Ablation Valley. Antarctic Peninsula

Moist fine soil at margin of moraine melt pool. Alt. 30 m. Ares Oasis, Alexander Island. Antarctic Peninsula, Alexander Island

On a slope 30 m from penguin nest, 300 m from sea. Alt. 30 m. Vapour Col, Deception Island. South Shetland Islands

On fine gravelly soil. Prior Island, Victoria Land. Antarctica, Ross Sector

Sandy soil. Alt. 150 m. Boulder field near main lake, "Gondwana" area, Victoria Land. Antarctica, Ross Sector

On rock crevices. Alt. 20 m. Johnson Dock, Livingston Island. South Shetland Islands

Sandy soil by meltwater stream, Stream from Canada Glacier by SW corner of Lake Fryxell, Taylor Valley, Victoria Land. Antarctica, Ross Sector

On mortar of old whaler's dam, Alt. c. 10 ft. North side of Knife Point, Signy Island. South Orkney Islands

Moist fine soil on colonizing shingle. Alt. 20-30m. E side Lachman Crags, James Ross Island. Antarctic Peninsula

Outcrop on beach, giant Petrel nesting site. West bay, between Point Smellie and Devils Point Byers Peninsula, Livingston Island South Shetland Islands

Exposed, dry, among limpet shells, level aspect, Alt. 15 m. Rothera Point, Adelaide Island. Antarctic Peninsula, Loubet Coast

Constituent of Drepanocladus-Brachythecium vegetation on moist pocket of flat rock, Alt. 50 ft. West Coast, Avian Island off Adelaide Island, Fallieres Coast. Antarctic Peninsula, Fallieres Coast

On Dicranum aciphyllum banks, amongst tussock, Alt. 250 ft. South shore of Right Whale Bay, west of Craigie Point. South Georgia

Crevice in north facing tuff, Immediately to the East of Neptunes Window, Alt. 100 ft. Cathedral Crags, Deception Island. South Shetland Islands

Submerged at edge of lake, Alt. c. 500 ft. Approximately 0.5 mile inland from the whaling station, valley running north-west from Husvik, Stromness Bay. South Georgia

Moist rock crevices, Alt. 300 ft. Rocks behind Grytviken whaling station, Cumberland East Bay. South Georgia

Flushed, base rich slope, Alt. 150 ft. Thulla Point, Signy Island. South Orkney Islands

On moist sandy seepage slopes amongst boulders. Alt. c. 50 ft. Coast south of Spike Cape, bay of Sails, South Victoria Land. Antarctica, Ross Sector

On dry rock ledges, Alt. 5-15 m. Young Point, Bone Bay. Antarctic Peninsula

At side of sheltered sunken pool in Blechnum/Agrostis/Acaena association, Alt. 120 m. Half a kilometre east of base, Possession Island. Crozet

Amongst tussock, Alt. c. 10 ft. Near Koppen Point, Royal Bay. South Georgia

Rock ledges in sea water spray area, Alt. 2 ft. Rocks on beach, north side Cape Charlotte. South Georgia

On exposed rock surface, Alt. 380 m. Summit of Mont Branca, West of Port Alfred, Possession Island. Crozet

On dead moss. Gravelly granitic soil at edge of late snow bed. Moraine of Tinker Glacier-Burns Glacier, Victoria Land. Antarctica, Ross Sector

On dead Colobanthus subulatus, Alt. 5-8 m. Dry rock slab fallen from cliff, Jason Island. South Georgia

On Chorisodontium in Polytrichum-Chorisodontium bank, Alt. 50 m. Hill north of Hillier Moss, Signy Island. South Orkney Islands

Surface of less exposed rocks, Alt. 327 ft. Summit of Scar Hills, Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast

On dead moss, Alt. 50-100 ft. Hermit Island, Arthur Harbour, Anvers Island, Danco Coast. Antarctic Peninsula, Danco Coast

On bare rock and soil, on hilltop, Alt. 610 ft. Stejneger Peak, Bird Island. South Georgia

Stones on raised beach in loose mats, Alt. 10 m. Heywood Island. South Shetland Islands

On north-east facing, dry, quartz-mica-schist boulders, Alt. 35 ft. East side of Berntsen Point, Borge Bay, Signy Island. South Orkney Islands

Rocks used as bird perches, Alt. 20-30 m. Collins Point, Deception Island. South Shetland Islands

Exposed rock on summit. Astarte Horn, Alexander Island. Antarctic Peninsula, Alexander Island

Browning Peninsula, central area. Budd Coast. Antarctica, Wilkes Sector

Amongst loose stones, facing south, in between outcrop of meta volcanic rock, Alt. 4300 ft. Lower part of ridge running north, eastern part of Giannini Peaks. Antarctic Peninsula

On rock inundated by nitrogenous melt, Alt. 5 m. North-east shore of Doubtful Bay. South Georgia

Quartzite rock, Alt. 20-30 m. South end of Beauchene Island. Falkland Islands

North-west facing cliff, Alt. 61 m. gullies, 0.5 km. SW of Endurance Glacier, Elephant Island. South Shetland Islands

Stony ground. Alt. 125m. Skilling Island, N side; Robertson Islands. South Orkney Islands

N-S sphinx stream flank, N-facing bluff, Fossil Bluff, Alexander Island. Antarctic Peninsula, Alexander Island