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On south side of slightly nitrogenous boulder, Alt. 30 m. Just south of Dartmouth Point, Cumberland East Bay. South Georgia

? King George Island. South Shetland Islands

On dry exposed ridge. Alt. 570 m. Ablation Col. Antarctic Peninsula, Alexander Island

Fine-grained lava boulders on knoll used by skuas. Alt. 15 m. North side of large lake ("Penguin Lake"), Edmonson Point, Victoria Land. Antarctica, Ross Sector

On rock, over large scree area, WNW of Breismeister Peak, Wilkins Coast, Palmer Land. Antarctic Peninsula

On dyke with a large amount of lichen, Alt. 600ft. Lepley Nunatak, Eights Coast. Antarctica, Byrd Sector

Nitrogenous north-facing cliffs, Alt. 50 ft. Bluffs behind Factory Cove, Signy Island. South Orkney Islands

Near or on fissure, but may not be heated by fissure geothermal. Alt. 100m. Ridge above Fumarole Bay, opposite Argentine Base. Deception Island. South Shetland Islands

Moist glacial outwash silty soil, Alt. 5-15 m. Near base hut, Damoy Point, Dorien Bay, Wiencke Island, Danco Coast. Antarctic Peninsula, Danco Coast

With Drepanocladus in small area of Drepanocladus-Brachythecium vegetation, on flat area of Polytrichum bank, Alt. 50 ft. Near NW corner of island, Galindez Island, Argentine Islands. Antarctic Peninsula, Graham Coast

On moss, dry sandy soil on rock terraces. Alt. 100-130 m. South end Kay Island, Wood Bay, Victoria Land Antarctica, Ross Sector

On rock fragments, Alt. 25 ft. North side of Berntsen Point, Signy Island. South Orkney Islands

E-facing rock face. Alt. 50 m. Petter Bay, S side Coronation Island. South Orkney Islands

on dry dead moss in hollows where snow melts early. Alt. 25-50 m. North Valley, Edmonson Point, Victoria Land. Antarctica, Ross Sector

Attached to stones on floor of lake at c. 30-100 cm depth, Alt. c. 80 m. Largest lake to south of Maiviken. South Georgia

At bases of stone heaps, Alt. 390 m. Riverside immediately above and west of Grande Cascade, Possession Island. Crozet

On drier raised part in flush area, Alt. 110 m. Between base and Pointe Lieutard, Possession Island. Crozet

On very wet flush area, Alt. 110 m. Between base and Pointe Lieutard, Possession Island. Crozet

On moderately exposed isolated boulder, Alt. 100 m. Valley leading to dam and pump house, south of base, Possession Island. Crozet

On side of Dicranoloma cushion, Alt. 250 m. 1 km east of Cratere de l'Olympe. Amsterdam Island

On wet rock surface, Alt. 400 m. East of Cratere de l'Olympe. Amsterdam Island

On dry sheltered rock surface, Alt. 260 m. Lower part of north-facing slopes of Malpasee Riviere, Possession Island. Crozet

Small patch of warmed ground in central N ash plain. Zavodovski Island. South Sandwich Islands

From mouth of slightly warm vent at foot of largest patch of fumarole vegetation (c. 10 x 15 m) on W wall centred on a large patch of liverwort (Marchantia?). Clinker Gulch, Candlemas Island. South Sandwich Islands

Wind dislodged cushion at base of cinder cone S of SW crater, Lucifer Hill, Candlemas Island. South Sandwich Islands

Warmed moist ground near centre of fumarolic region, Alt. c. 225 m. Summit ridge, near centre of crest of Leskov Island. South Sandwich Islands

In cracks and crevices of rocks in scree. Alt. 300 m. Low lying areas of nunatak, W side of point 536, James Ross Island, Trinity Peninsula. Antarctic Peninsula

North-west facing sheltered rock, Alt. 298 m. East end of Gibbs Island. South Shetland Islands

On large, west-facing rock in penguin rookery, Alt. 17 m. Spit Point, Yankee Harbour, Greenwich Island. South Shetland Islands

Ridge of south-facing raised beach, Alt. 10 m. Edwards Point, Robert Island. South Shetland Islands

On whale skull on beach, Alt. 3 m. Beach at south-east end of Moraine Fjord, facing Hamberg Glacier, Cumberland East Bay. South Georgia

Rocks on seaward side of steaming lake, Alt. 25 ft. Western shore of Candlemas Island. South Sandwich Islands

On jawbone of leopard seal skeleton. Alt. 150m. San Jose Pass, James Ross Island. Antarctic Peninsula

Dry rocks, Alt. 5-10m. Rothera Point, Adelaide Island. Antarctic Peninsula

South-facing slope of ridge, Hope Bay, north-east shore of Trinity Peninsula. Antarctic Peninsula, Trinity Peninsula, East Coast

On boulder on wave-cut platform at sea level, Alt. 1 m. Midway between Calf Head and Cape Harcourt, Sacramento Bight. South Georgia

On concrete of dam built in 1922, Alt. 100 m. Gull Lake, Cumberland East Bay. South Georgia

On rock not associated with heat but snow free and moist. Steep, moist-wet warm heated slope. Alt. 480 m. E face of N summit, Mt Pond. Deception Island. South Shetland Islands

On fine soil. Alt. 856m. Quilty Nunataks, Ellsworth Land Antarctic Peninsula

On mummified crabeater seal carcass bones. Alt. 165m. San Jose Pass, James Ross Island. Antarctic Peninsula

Dry rock face. Alt. 60 m. Cliffs above Paal Harbour, on Rusty Bluff, Signy Island. South Orkney Islands

On rock not associated with heat but snow free and moist. Steep, moist-wet, warm heated slope. Alt. 480 m. E face of N summit, Mt Pond. Deception Island. South Shetland Islands

North-facing rock face of granite outcrop. Alt. 4900 ft. Mt. Roland. Antarctica, Byrd Sector

Boggy area on valley floor close to stream. Alt. 80 m. Mid valley of Ballion Stream, south of Port Howard. Falkland Islands

Inclined rocks in sheltered gully, Alt. 100 ft. Rock outcrop by BAS station, Adelaide Island. Antarctic Peninsula, Fallieres Coast

Damp gravelly flush, Alt. 150 ft. West side of Rusty Bluff, Moraine Valley, Signy Island. South Orkney Islands

In Rostkovia-Deschampsia meadow, Alt. c. 50 ft. Inland from Pearson Point, Johnson Cove, west coast of Bird Island. South Georgia

On dry soil in rock depressions. Alt. 10-25m. Refuge Islands (largest island), South Marguerite Bay. Antarctic Peninsula

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

NE facing slope, affected by gulls, near the sea, Alt. 30 ft. East side of gully to east of Observation Bluff, Signy Island. South Orkney Islands