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On bedrock particularly, and loose stones on the east side, Alt. 650 ft. Northern tip of the ridge descending from spot 835. West of Hope Bay. Antarctic Peninsula

On moss (Tortula princeps), dry sandy soil on rock terraces with several pairs of nesting skuas in vicinity. Alt. 150 m. Summit area, Wood Bay, Kay Island, Victoria Land. Antarctica, Ross Sector

On dead moss. Alt. 25-40m. N end of False Island Point, Vega Island. Antarctic Peninsula

Alt. 200-500 ft. North-west corner of Elephant Cove. South Georgia

On flat dry stony ground, Alt. 300 ft. Observation Bluff, Signy Island. South Orkney Islands

Rocks on exposed summit, Alt. 250 m. Summit of ridge on south-side of Wirik Bay. South Georgia

On rocks at base of outcrop, Alt. 10 m. Maritime outcrops, bay off New Plymouth, Byers Peninsula, Livingston Island. South Shetland Islands

Usually dry surface of rocks, Alt. c. 115 ft. near the base hut, south shore of Hut Cove, Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast

Loose fragments, Alt. 13 m. False Round Point, King George Island. South Shetland Islands

Alt. 1130 m. Haag Nunataks, Ellsworth Land Antarctica, Scotia Sector

Alt. 1167m. Haag Nunataks, Ellsworth Land Antarctica, Scotia Sector

On dry non-nitrogenous boulder, Alt. 30 m. Near waterfall on south-west side of Whale Valley, Royal Bay. South Georgia

On schistose rock, dry but exposed 25 deg. slope, aspect 250 deg. Alt. 150 m. Slopes to east above Jordon Cove, Bird Island. South Georgia

Exposed dry greywacke outcrop facing west. Alt. 350 m. c. 1 KM. west of Mount Duse, Cumberland East Bay. South Georgia

On soil and dead moss. Alt. 490 m. Summit of Sphinx, Fossil Bluff, Alexander Island. Antarctic Peninsula, Alexander Island

On moss, in crevices in maritime outcrops, Alt. 10 m. Extreme east end of South Beaches, Byers Peninsula, Livingston Island. South Shetland Islands

Soil in crevices between boulders, Alt. 1550 ft. West side of ridge above Shingle Cove, Coronation Island. South Orkney Islands

On moss on moist rock ledge above shore. Alt. 2 m. North side of Husvik Harbour. South Georgia

In wet flush in Tortula robusta turf on north-facing slope, Alt. 20 m. South shore of Rogged Bay. South Georgia

On roofs in rock ledges below moss banks with petrel nests, Observation Bluffs, Signy Island. South Orkney Islands

, Amongst loose stones on east-facing slope, Alt. 250 ft. East slope of Scar Hills, Hope Bay. Antarctic Peninsula

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

Dry moraine boulders, exposed, Alt. 350 ft. Moraine east of Port Jebsen, Signy Island. South Orkney Islands

On damp boulders near stream, Alt. 30 m. Just south of Dartmouth Point, Cumberland East Bay. South Georgia

On moss in dry north-facing crevice, Alt. 500 m. North slopes of Hill 1941, south of Dartmouth Point, Cumberland East Bay. South Georgia

En chorrillo en bosque de Nothofagus pumilio con N. antarctica. Alt. 500-600 m. Provincia Santa Cruz, Depto Guer Aike. Meseta Latorre. South America, Argentina

On Berberis sp. Puerto Toro, Navarino Island, Chile. South America, Chile

On bases of trunks on Nothofagus antarctica in scrub Nothofagus forest. Alt. c. 150 m. South-east facing slopes of Cerro Sol, Depto. Ultima Esperanza, Provincia Magallanes. South America, Chile

Sobre rocas junto a la cascada en bosque laxo de Nothofagus betuloides con N. antarctica. Provincia Magallanes, Depto Ultima Esperanza, Margen oriental del Rio Serrano, Puerto Toro. South America, Chile

On moist soil of floor of Nothofagus pumilio forest. Eastern shore of Lago El Parrillar, Peninsula Brunswick, Depto. Magallanes, Prov. Magallanes. South America, Chile

North-facing rock outcrop, Alt. 50 ft. South shore of Port Stanley Harbour, East Falkland Islands. Falkland Islands

At top of small mound, Alt. 80 ft. Overlooking MacKeller Inlet, Admiralty Bay, King George Island. South Shetland Islands

North facing steep lava rocks away from volcanic heat, Alt. c. 250 m. North side of north peak of crater rim, Bellingshausen Island. South Sandwich Islands

On Pohlia in Pohlia-Polytrichum vegetation, Alt. 150 ft. By SW shore of eastern lagoon, Candlemas Island. South Sandwich Islands

Rock headland below snow ridge leading to ice cap, Alt. 10 m. NE corner of Tupman Island, Biscoe Islands. Antarctic Peninsula

Flat rocks on summit of hill, crevices quite moist draining snow beds, Alt. 25m. Betbeder Island, Biscoe Islands. Antarctic Peninsula

Dry N face, Alt. 35 m. N face Sayer Nunatak, Livingston Island. South Shetland Islands

Bottom of scree slope, Alt. 500 m. Mussorgsky Peaks, Beethoven Peninsula, Alexander Island. Antarctic Peninsula, Alexander Island

Lower slopes, north-facing corrie, "Hornpiper volcanics", Alexander Island. Antarctic Peninsula, Alexander Island

On Dicranum bank, Alt. 50 ft. Olivine Point, Coronation Island. South Orkney Islands

Damp rocks between larger stones, Alt. c. 140 ft. near south-east coast of Lake Boeckella, Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast

In protected crevices, Alt. 3500 ft. West end of volcanics on "Hornpiper Heights" on east side of northerly facing basaltic lava flow, Alexander Island. Antarctic Peninsula, Alexander Island

On north facing, frost shattered, rock strewn slopes, near the top of a ridge, Alt. 700 ft. Hope Bay, north-east coast of Trinity Peninsula. Antarctic Peninsula, Trinity Peninsula, East Coast

Rock face, ledges and crevices on sheltered shaded east facing cliff, locally abundant, Rasmussen Island, Graham Coast. Antarctic Peninsula, Graham Coast

On rock above vent W of access point. Alt. 150 m. Bellingshausen Island. South Sandwich Islands

Ash crater, Alt. c. 30 ft. South-west of Ronald Hill, Deception Island. South Shetland Islands

Cape south of Emma Cove, Elephant Cove. South Shetland Islands

Borge Bay, Signy Island. South Orkney Islands

Ant. Arg. Estr. Gerlache, I Augusto. Antarctic Peninsula

On N facing Rock with cracks, Alt. 1000ft. Unnamed nunatak S of Bel Knap Nunatak, Thurston Island, Eights Coast. Antarctica, Byrd Sector