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Dry rock surface with mosses, in wet crannies, west facing, Alt. 30 m. East of large melt pool, Petermann Island. Antarctic Peninsula

Summit area of Mt. Usborne. Alt. 650-700 m. Falkland Islands

On ledge dampened by nitrogenous melt, Alt. 40 ft. Berntsen Point, Borge Bay, Signy Island. South Orkney Islands

On superficial deposits of drift and scree, Alt. 80 m. Flat area on top of Lair Point, Robbery Beaches, Byers Peninsula, Livingston Island. South Shetland Islands

On boulders Alt. 100 m. Col by lake, Negro Hill Byers Peninsula, Livingston Island South Shetland Islands

On rock, at edge of sorted cricle. Alt. 600 m. S side of ridge between Pyramid and Elephant, Fossil Bluff, Alexander Island. Antarctic Peninsula, Alexander Island

Black Island, Argentine Islands. On rock and in crevices. Alt. 2-10 m. Antarctic Peninsula

Dry rock surfaces. Alt. 10-30 m. Roman Four Promontory. Antarctic Peninsula

By stream side, Alt. c. 500 ft. Northern end of Bore Valley, Cumberland Bay. South Georgia

On dripping rock just above final rock step, Alt. 5 m. Shore at Crique de Noel, Possession Island. Crozet

Rock crevice, Alt. 50 ft. Rock outcrop on north side Moltke Harbour, Royal Bay. South Georgia

En la base del penasco. Provincia Magallanes, Depto Ultima Esperanza, Margen oriental del Rio Serrano. South America, Chile

Moist west facing seepage area on slopes of Cerro Sin Nombre. Alt. c.600-750 m. Estancia La Cumbre, Depto. Ultima Esperanza, Provincia Magallanes. South America, Chile

In soil amongst Psilopilum antarcticum, Alt. 200 ft. North-facing scree slope on south side of valley, behind Rosita Harbour. South Georgia

On dry rocks used as bird perches. Alt. 10-15m. North-west corner of Darboux Island, Argentine Islands, Graham Coast. Antarctic Peninsula

On moss. Alt. 165m. Col, Lagotellerie Island. Antarctic Peninsula

Damp rock ledges below petrel nests, facing north, Alt. 50 ft. SE of Factory Cove, Signy Island. South Orkney Islands

On moss (Schistidium sp.) Alt. 10 m. SE coast Ganymede Hts, 100m from King George VI Ice Shelf/Jupiter Glacier confluence. Antarctic Peninsula, Alexander Island

On a scoria block, above moss beds. Hollows between the scoria with moist soil 1-2cm thick under the moss. Skua nests and limpet shells. Alt. 15m. Scoria lava flow into Crater Lake. Deception Island. South Shetland Islands

East facing nitrogenous/maritime rock ledges, Alt. 10 ft. Billie Rocks, Borge Bay, Signy Island. South Orkney Islands

Associated with Acaena adscendens on stablised scree. Alt. 50 ft. Diaz Cove. South Georgia

Shaded moist soil on floor of mixed Nothofagus betuloides-Drimys winteri forest. Rio La Caleta, south shore of Seno Otway, Depto. Magallanes, Prov. Magallanes. South America, Chile

Provincia Santa Cruz, Depto Guer Aike. Estancia La Carlota. Casi sumergidas en chorrillo sobre afloramientos basalticos de exposicion NW, junto a la ruta 293. South America, Argentina

In patches on soil washouts, Alt. 1000-2000 ft. Northern ridge of Cape Casey, Cabinet Inlet, Foyn Coast, east shore of Antarctic Peninsula. Antarctic Peninsula, Foyn Coast

North-north-west facing undercut ledge, Alt. 200 ft. above glacier level, Eros Glacier, Alexander Island. Antarctic Peninsula, Alexander Island

Bases de Nothofagus pumilio y troncos caidos en bosque laxo de N. pumilio. Provincia Santa Cruz, Depto Guer Aike. El Turbio, Loma Raspentek, 5km NW de la Estancia Stag River. South America, Argentina

Summit slabs and ledges to S. Alt. 1296 m. Spot 1296 Henriksenskjera, Dronning Maud Land. Antarctica, Maud Sector

On rock surfaces, Alt. 390 m. Riverside immediately above and west of Grande Cascade, Possession Island. Crozet

On dry boulder surface, Alt. 300 m. In large boulder strewn area, 1 Km west of Mont Branca at base of Plateau des Petrels, Possession Island. Crozet

Moist sheltered rock surfaces, Alt. 250 ft. West-facing slopes overlooking Moraine Fjord, Dartmouth Point, Cumberland East Bay. South Georgia

On rock, exposed, Alt. 250 ft. South-facing side of deep gully west of Husvik, Stromness Bay. South Georgia

On damp rock surface, sheltered, Alt. 600 ft. Scree slopes of Mount Duse, Bore Valley, Cumberland East Bay. South Georgia

On cliff facing south-west, Alt. 20 ft. South end of Thule Islands, Borge Bay, Signy Island. South Orkney Islands

Large erratic in Rostkovia bog, used as bird perch, rock with ornithocoprophilous coastal and nitrophobous "montane" lichens, Alt. c. 10-12 m. Greene Peninsula, between Dartmouth Point and Harker Glacier. South Georgia

Stones at base of outcrop, Alt. 25 m. Harmony Cove, Nelson Island. South Shetland Islands

Rock and scree. Alt. c. 200 m. South Batterbee Mountains, Alexander Island. Antarctic Peninsula, Alexander Island

Rock and scree. Alt. c. 300 m. High valley south of Moraine Coire, Fossil Bluff, Alexander Island. Antarctic Peninsula, Alexander Island

Soil on mossy scree, Alt. 20 ft. Promontory north of Lynch Island, Coronation Island. South Orkney Islands

Dry stones in fellfield. Alt. 50 m. NE Moraine Valley, Signy Island South Orkney Islands

Stones in scree. Alt. 200 m. Rusty Bluff, Signy Island South Orkney Islands

From Penguin area, Alt. 30 m. Gourlay, Signy Island. South Orkney Islands

On rock. Alt. 165m. Col, Lagotellerie Island. Antarctic Peninsula

Slopes around small lake, 2.5km W of Collins Point. Below Mt Kirkwood. Alt.100-300m. Birds nesting area, Deception Island. South Shetland Islands

Loose stones on the flattish top of ridge, 0.25 mile long rising from 1000ft. Alt. 1100 ft. North-east ridge of The Pyramid. Antarctic Peninsula

By stream side through Acaena adscendens slope, Alt. c. 50 ft. Behind inner beach, between Esmark Glacier and Holmestrand peninsula. South Georgia

Submerged in bog pool. Alt. 15 m. Un-named bay on north-east shore of western island, Islas Rennell, Depto. Ultima Esperanza, Prov. Magallanes. South America, Chile

Moist, shaded depressions in peat. Alt. 25 ft. Husvik, Husvik Harbour, Stromness Bay. South Georgia

On rocks. Alt. 50 m. Allen Point, Montagu Island. South Sandwich Islands

On soil on ledge in gully, Alt. 50 ft. Berntsen Point, Borge Bay, Signy Island. South Orkney Islands

Large boulders between shore and former Chilean station. Alt. 2-3 m. Pendulum Cove, Deception Island. South Shetland Islands