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Single patch growing at damp base of N-facing boulder with a small amount of Bryum cf. argenteum. Alt. 30 m. On hill S of large lake, Inexpressible Island. Antarctica, Ross Sector

Sandy soil at base of boulder. Alt. 650 m. Ridge above Tinker and Burns Glaciers, Victoria Land. Antarctica, Ross Sector

Rock crevices. Alt. 130 m. North end of Kay Island, Wood Bay, Victoria Land Antarctica, Ross Sector

On dry gravelly soil. Alt. 150 m. Kay Island, Victoria Land. Antarctica, Ross Sector

Dry gravelly soil and rock crevices. Alt. 100 m. Crater Cirque, Victoria Land. Antarctica, Ross Sector

On dry fine gravel. Alt. 85 m. Harrow Peaks, Victoria Land. Antarctica, Ross Sector

Soil at base of lava boulders and on boulders, in stable scree. Alt. 20 m. South side of Adelie Lake, Edmonson Point, Victoria Land. Antarctica, Ross Sector

Dry rock ledges and crevices and moist soil near snow patches. Upper moraine of Tinker Glacier-Burns Glacier, Victoria Land. Antarctica, Ross Sector

Edge of granite boulder embedded in dry granitic gravel. Alt. 1540 m. Summit of Mt. McGee, Victoria Land. Antarctica, Ross Sector

Dry, fine, sandy soil on leeward side of rocky ridge. Alt. 30m. Vestfold Hills, Mossel Hut area. Ingrid Christensen Coast. Antarctica, Enderby Sector

Mossy rock ledges above steep gully, Alt.10-25 m. North east side of Uruguay Island, Argentine Islands. Antarctic Peninsula

Soil in north-facing rock crevices near shore, Alt. c. 5 ft. Galindez Island, Argentine Islands. Antarctic Peninsula, Graham Coast

Crevices in lava boulders, Alt. 100 ft. North shore of Horseshoe Bay, near Cape Royds, Ross Island, Victoria Land. Antarctica, Ross Sector

Damp crevices in north facing rocks, in sheltered gully, Alt. 50 ft. North Coast of Petermann Island. Antarctic Peninsula, Graham Coast

Small recesses and crannies in steep cliffs, north facing, Alt. 150 ft. Crags south of Neptunes Bellows, Deception Island. South Shetland Islands

Dry sheltered base of north facing cliff, Alt. 40 ft. North end of Petermann Island, Graham Coast. Antarctic Peninsula, Graham Coast

Sheltered, overhang rock, Alt. 20 ft. North side of Black Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

West facing crag, Alt. 10 ft. Island between Grotto and Corner Islands, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

On ledge at foot of cliff, Alt. 5,000 ft, Station 91, Tottanfjella, Queen Maud Land. Antarctica, Maud Sector

Meteorological Station, Cape Phillips, coastal Victoria Land. Antarctica, Ross Sector

Scott Snow Cave, Inexpressible Island, coastal Victoria Land. Antarctica, Ross Sector

Alt. 150 m. Prior Island, coastal Victoria Land. Antarctica, Ross Sector

On dry boulders on west facing side of Cerro Sin Nombre. Alt. c. 700 m. Estancia La Cumbre, Depto. Ultima Esperanza, Provincia Magallanes. South America, Chile

Lago Argentino in truncis putridis. South America, Argentina

N-facing cliffs. Large patch 4x6 ft. Near snow petrel nest. Debussy Mountains, Alexander Island. Alt. 400 m. Antarctic Peninsula, Alexander Island

Damp shaded rock ledges and soil below high cliffs. Alt. 5-35 m. Birdsend Bluff, Danco Coast. Antarctic Peninsula

On Whale skull, Alt. 1 m. Whalers Bay, Deception Island. Deception Island. South Shetland Islands

Dry ledge amongst limpet shells. Alt. 25m. North side of Woozle Hill, Galindez Island. Argentine Islands, Graham Coast. Antarctic Peninsula

Dry rock ledges and rock surfaces, Alt. 10-25 m. Litchfield Island, Danco Coast. Antarctic Peninsula, Danco Coast

On volcanic cliffs near shore, Alt. 10-25 ft. Coppermine Cove, Robert Island. Robert Island. South Shetland Islands

Rare on soil in rock crevices, Alt. c. 30 ft. north-east side of Neny Island, Fallieres Coast. Antarctic Peninsula, Fallieres Coast

Pockets of soil-gravel among rocks; rock ledges and crevices, principally close to shore, Alt. 5-10 ft. Galindez Island, Graham Coast. Antarctic Peninsula, Graham Coast

Very few groups of shoots amongst other sp, on dry, pebbly part of beach ridge, Alt. c. 5-6 ft. Near the base, Admiralty Bay, King George Island. South Shetland Islands

On whalebone lying on beach, Alt. c. 10 ft. Factory Cove, Signy Island. South Orkney Islands

Marble crevices, Alt. c. 100 ft. South-eat of North Point, Signy Island. South Orkney Islands

North-facing rocks, Alt. 75 ft. Meier Point, Coronation Island. South Orkney Islands

Moist, rock crevice, near shoreline, Alt. 10 ft. Shingle Cove, Coronation Island. South Orkney Islands

Rock crevices, Alt. c. 20-40 ft. At the base, Adelaide Island, Fallieres Coast. Adelaide Island. Antarctic Peninsula, Fallieres Coast

Moist, ashy soil, Alt. c. 30 ft. West of Kroner Lake, Deception Island. South Shetland Islands

Soil pocket on rock ledge, north-facing, in lawn of Deschampsia antarctica, Alt. 20 m. Cormorant Island, Danco Coast. Antarctic Peninsula, Danco Coast

Almost bare stony ground, Alt. 100 ft. c. 50 yards S of BAS hut, Hope Bay, NE Coast of Trinity Peninsula. Trinity Peninsula. Antarctic Peninsula, Trinity Peninsula, East Coast

On beach gravel at sea level. Whalers Bay, Deception Island. South Shetland Islands

Gravelly soil on moraine, Alt. 35 m. South side of Charity Glacier, Livingston Island South Shetland Islands

On ground recently cleared of snow, Alt. 700 ft. Inner Coast, behind Wensleydale Beacon, Deception Island South Shetland Islands

Rocks on dry north facing slopes, Alt. 30 ft. Litchfield Island, Danco Coast. Antarctic Peninsula, Danco Coast

In crevices on NW facing rock face, Alt. 50-100 ft. Above shag rookery, Beneden Head, Danco Coast. Antarctic Peninsula, Danco Coast

On peat between luxuriant growth of Pringlea, Axorella and Acaena, Alt. 2 m. South east corner of Mayes Island. Kerguelen

Carezza Lake, Alt. 150 m. Coastal Victoria Land. Antarctica, Ross Sector

Prior Island, coastal Victoria Land. Antarctica, Ross Sector

Apostrophe Island, coastal Victoria Land. Antarctica, Ross Sector