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On rock and Drepanocladus, Alt. 5-20 m. Island in north-west of Faure Island group, Fallieres Coast. Antarctic Peninsula, Fallieres Coast

On concrete of dam to north of whaling station, also on Bryum argenteum, Alt. 30 m. Prince Olaf Harbour. South Georgia

North facing wet rock ledges below moss banks, Alt. 20 ft. Factory Cove, Signy Island. South Orkney Islands

On stones and epiphytic on Dermatocarpon lachneum. Alt. 100m. S Abernethy Flats (5km SSE from SW corner of Brandy Bay); near large lake, James Ross Island. Antarctic Peninsula

Growing onto exposed rock faces. Alt. 20 m. Low lying island offshore ESE from Cape Herschel, Davis Coast. Antarctic Peninsula, Danco Coast

On moss, dry sandy soil on rock terraces. Alt. 125 m. Kay Island, Wood Bay, Victoria Land Antarctica, Ross Sector

On moss (including Tortula princeps), granitic rock. Alt. 100 m. Crater Cirque, Victoria Land. Antarctica, Ross Sector

Stones in melt stream. Alt. 8 m. Edmonson Point North, Victoria Land. Antarctica, Ross Sector

On dry rock below skua perch. Alt. 5 m. West end of Lagoon Island. Antarctic Peninsula

On rock, stones and moss (Sarconeurum glaciale). Alt. 150 m. Kay Island, Victoria Land. Antarctica, Ross Sector

Skua perch boulders. Alt. 35-40 m. Middle terrace of North Valley, Edmonson Point, Victoria Land. Antarctica, Ross Sector

On moist soil and moss (Schistidium) at margins of polygons. Alt. c.400m. Plateau, Cockburn Island. Antarctic Peninsula

On soil below boulder. Very rare. Alt. 100m. Between Adelie colony and foot of cliff, Cockburn Island. Antarctic Peninsula

Dry soil amongst boulders near centre of Point, Alt. 25m. Rothera Point, Adelaide Island. Antarctic Peninsula

On dry Tortula fuscoviridis, north facing moist, base-rich slope, Alt. 35 m. South of Foca Cove, Signy Island. South Orkney Islands

On short mosses.(Distichium, etc.) Alt. 20-25m. E side Lachman Crags, James Ross Island. Antarctic Peninsula

Maritime rocks, Alt. 15 ft. Meek Channel, Galindez Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

On Schistidium sp. Alt. 250m. SSE side of Terrapin Hill, James Ross Island. Antarctic Peninsula

On moss, on moist rock ledge. Alt. 25 m. East side of Lagoon Island. Antarctic Peninsula

On soil, gravel and moss. Central col along ridge. Alt. 140 m. Reptile Ridge. Antarctic Peninsula

On deposit of limpet shells and Tortula princeps. Near gull's nest. Alt. 5 m. Rothera Point, Adelaide Island. Antarctic Peninsula

Rostkovia bog, Gun Hut Plain, King Edward Cove area/Grytviken. South Georgia

Infrequent on moist rock ledges and mossy slopes below rock faces, plants very short; usually flowering, Alt. c. 150-250 ft. Lower slopes and rocks of area to west of lake inland from Samuel Islands. South Georgia

North-facing scree slopes, Alt. c. 750 ft. Slopes of hill near west-end of outer beach, Holmestrand. South Georgia

Wet ground by river bank, Alt. c 20 ft. Cove opposite to Cabrial rock, at NE corner of Ocean Harbour. South Georgia

Moist mire slope (alt. 15 m.), fellfield (alt. 250 m.), valley behind Ocean Harbour. South Georgia

Alt. 350 m. Puyehue, Osorno. South America, Chile

Algal mat growing around Weddell Lake covering at least 60% of ground surface area within 20 m of the shore, Vestfold Hills. Antarctica, Enderby Sector

Small pool, SE of main pool area Ares Oasis, Mars Glacier, Alexander Island. Antarctic Peninsula, Alexander Island

Melt channel about 50 m above ice margin. Alt. c. 1000 m. Auriga Nunataks, Palmer Land. Antarctic Peninsula

At margin of pond c. 100 m N or N-end of Nostoc Lake, Shackleton Mts. Antarctica, Scotia Sector

On a series of rocky steps. Alt. 210-450 m. South-west ridge, Mount Azimuth. Campbell Island

On thin soil-humus over rock. Alt. 3000 m. Paramos La Negra above the town of Bailadores, Distrito Rivas Davila, Venezuela. South America, Venezuela

On rocky scree area near snowline. Alt. 1000 m. Fiordo Andrew, Prov. Ultima Esperanza, Magallanes Region. South America, Chile

Dark moist crevices in limestone outcrop. Alt. 20 m. Marble Knolls, Signy Island. South Orkney Islands

Damp shaded rock crevice in cliff face. Alt. 25-30 m. Stygian Cove, Signy Island. South Orkney Islands

Base rich crevice in amphibolite rock. Alt. 25m. Knife Point, Signy Island. South Orkney Islands

Schist-shale promontory, Alt. 900 ft. West side of Powell Island. South Orkney Islands

Maritime outcrop, WNW facing slope, Alt. 6 m. "Desolation Bay", west end of Byers Peninsula, Livingston Island. South Shetland Islands

Moist gravelly hollow between the rocks, Alt. c. 30 ft. At the base, Adelaide Island, Fallieres Coast. Antarctic Peninsula, Fallieres Coast

Dry rock crevice; locally common, Alt. 100 ft. Overlooking Stella Creek, Galindez Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

Stony ground, Alt. 20 ft. Galindez Island, Argentine Islands, Graham Islands. Antarctic Peninsula, Graham Coast

South facing rock crevices, Alt. 1250 ft. Slopes of Mount Hodges, above shoulder of Orca Peak, Cumberland East Bay. South Georgia

North facing slope sheltered by rocks, Alt. 40 ft. Large gully on north east side of Uruguay Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

Dry rock crevices, Alt. 20 ft. Largest island, of The Barchans, Graham Coast. Antarctic Peninsula, Graham Coast

Shaded recess in rock, Alt. 12 ft. West side of Skua Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

Flat stony ground with scattered bryophyte vegetation, Alt. 50 ft. Norsel Point, Arthur Point, Anvers Island. Antarctic Peninsula, Danco Coast

Crevices in low vertical rocks, Alt. below 25 ft. Galindez Island, Argentine Islands. Antarctic Peninsula, Graham Coast

Flat stony ground, with Andreaea and Drepanocladus, Alt. 450 ft. Slightly to west of col, between Jane Peak, and Snow Hill, Signy Island. South Orkney Islands

Wet bank below north facing rock outcrop Alt. 100 ft. South side of bay SE of Foca Point, Signy Island. South Orkney Islands