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Amongst Andreaea on soil, Alt. 150 ft. North-east of Express Cove, Signy Island. South Orkney Islands

Crevice in wet rock, Alt. 50 ft. Lynch Island. South Orkney Islands

Margin of stone stripe, Alt. c. 300 ft. Moraine Valley, Signy Island. South Orkney Islands

Amongst Brachythecium on wet slope, Alt. 100 ft. Promontory north of Coffer Island, Matthews Island. South Orkney Islands

On Polytrichum bank, Alt. 30 ft. Stella Creek, Galindez Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

Rock ledges and cracks in gully, Alt. 40 ft. Corner Islands, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

Moist area below rock, Alt. 1000 ft. Cape Tuxen, Graham Coast. Antarctic Peninsula, Graham Coast

Moist soil below marble outcrop, at margin of stone stripe. Alt. 25m. Near Pumphouse Lake, Marble Knolls, Signy Island. South Orkney Islands

Moist soil on ledge of marble outcrop. Alt. 15m. Above SW Knob Lake, Signy Island. South Orkney Islands

Moist depression adjacent to Chorisodontium bank. Alt. 30 m. Western Oliphant Islands, Signy Island. South Orkney Islands

Among Bryum algens. Alt. 50m. Lower valley to N of St Martha Cove, James Ross Island. Antarctic Peninsula

Damp rock ledges. Alt. 80 m. Cliffs above Paal Harbour on Rusty Bluff, Signy Island. South Orkney Islands

Moist soil and gravelly ground, Alt. 50-100 ft. Meier Point, Coronation Island. South Orkney Islands

Moist ledges, Alt. 300 ft. Cape Vik, Coronation Island. South Orkney Islands

In Conostomum pentastichum, Cliffs above col to west of Rusty Bluff, Signy Island. South Orkney Islands

Locally common mixed with Bryum sp, also at margin of hollows dominated by Drepanocladus, Alt. 25-100 ft. north-east side of Neny Island, Fallieres Coast. Antarctic Peninsula, Fallieres Coast

Very local in damp rock crevices, Alt. c. 150 ft. north-east side of Neny Island, Fallieres Coast. Antarctic Peninsula, Fallieres Coast

Associated with Bryum spp. forming black patches, at margins of Drepanocladus patches and with other species at runnel margins, Alt. 25-30 ft. Near the hut, Blaiklock Island, Loubet Coast. Antarctic Peninsula, Loubet Coast

Locally abundant in pure black patches on ground, margins of Drepanocladus communities, most rock ledges, Alt. 50-75 ft. Hermit Island, Arthur Harbour, Anvers Island, Danco Coast. Antarctic Peninsula, Danco Coast

On damp soil forming small black patches, with Bryum, Drepanocladus and Calliergon, in boggy area, Alt. 25-100 ft. Coppermine Cove, Robert Island. South Shetland Islands

Damp soil-ash on level ground near to melt stream, Alt. c. 50 ft. Ash plain several hundred yards north-east of British base, Deception Island. South Shetland Islands

On soil, forming small, black mats amongst Deschampsia antarctica, between stones, Alt. 25-40 ft. Palmer Station, Arthur Harbour, Anvers Island, Danco Coast. Antarctic Peninsula, Danco Coast

Growing over Pohlia nutans in a Dicranum bank, Alt. 50 ft. SW corner of island, Danco Coast, Laggard Island. Antarctic Peninsula, Danco Coast

Forming mat on damp small scree, sheltered, level aspect, Alt. 7 m. Rothera Point, Adelaide Island. Antarctic Peninsula, Loubet Coast

Moist gravelly soil at edge of stone stripe. Near beach SW side of Ablation Lake, Alexander Island. Antarctic Peninsula, Alexander Island

Alt. 5-200 m. Moe Island, off Signy Island. South Orkney Islands

Lower edge of rock splashed by water from stepped flush. Alt. 100 ft. Top edge of large Polytrichum/Dicranum area at north end of Shingle Cove, Coronation Island. South Orkney Islands

Damp rock crevices and ledges on limestone outcrops. Alt. 30 m. Foca Cove, Signy Island. South Orkney Islands

Amongst Dicranoweisia and Wanstorfia sarmentosa at margin of stream above lake (towards Moss Lake). Alt. 40 m. Changing Lake, Signy Island. South Orkney Islands

Damp, shaded rock face. Alt. 50 m. Moss Lake, Signy Island. South Orkney Islands

Overgrowing moribund moss at old vent mouth near fumarole (Longton and Holdgate fumarole 3), Breakbones Plateau, Candlemas Island. South Sandwich Islands

Amongst Bryum on wet cliff ledges and crevices, Alt. 25 ft. North end of island, opposite, Saunders Point, Coronation Island. South Orkney Islands

Damp moss bank growing over dead Drepanocladus, Alt. 50 ft. Mansfield Point, Coronation Island. South Orkney Islands

Marble debris, amongst Tortula, Grimmia, Distichium, Bryum, Alt. 200 ft. South-east of North Point, Signy Island. South Orkney Islands

On dead moss over soil amongst pebbles on slope, Alt. c. 35 ft. Near the base, Admiralty Bay, King George Island. South Shetland Islands

In moist hollows and around pools, Alt. c. 50 ft. Avian Island, off south coast of Adelaide Island. Antarctic Peninsula, Fallieres Coast

On dead Dicranum bank, Alt. 100 ft. Promontory north of Coffer Island, Matthews Island. South Orkney Islands

Moist ground, Alt. 100 ft. Promontory west side of Falkland Harbour, Powell Island. South Orkney Islands

Amongst Acrocladium in wet hollow, Alt. 30 ft. Slope behind the base, Factory Cove, Signy Island. South Orkney Islands

Wet crevices and amongst stones in screes, Alt. 10-100 ft. Lynch Island. South Orkney Islands

Level south facing meltwater zone, Alt. 50 ft. Litchfield Island, Arthur Harbour, Anvers Island, Danco Coast. Antarctic Peninsula, Danco Coast

Sheltered peat surface, Alt. 10 ft. Fish Creek, Goose Green, East Falkland Islands. Falkland Islands

Growing at edge of Sphagnum patches, Alt. c. 100 ft. Valley behind Stromness Whaling Station, Stromness Bay. South Georgia

Moist rock ledge. Alt. 10m. NE Meier Point, Coronation Island South Orkney Islands

Moist hollow between rocks, Alt. c. 50 ft. Promontory on east side of Falkland Harbour, Powell Island. South Orkney Islands

On Festuca erecta litter in Festuca grassland, Alt. c. 50 m. Near Horse Head, King Edward Cove. South Georgia

In thick clumps beneath a thin snow cover on the east facing rock outcrops, Alt. 10 ft. South-east corner of Winter Island, overlooking Stella Creek, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

Rock face, Alt. c. 150 ft. Beneath anemometer tower, Berntsen Point, Signy Island. South Orkney Islands

Around patch of Deschampsia antarctica, Alt. c. 75 ft. On northern slope of Observation Bluff, Polynesia Point, Signy Island. South Orkney Islands

Frost-heaved ground, Alt. 150 ft. Above Spindrift Rocks, Signy Island. South Orkney Islands