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On stones in pools, Alt. 50 ft. Near Drying Point, Borge Bay, Signy Island. South Orkney Islands

Among stones, 15 m from "Camp Pond", north-north-east facing, Alt. 5 m. Ablation Valley, Alexander Island, George VI Sound. Antarctic Peninsula, Alexander Island

On schist, with north to north-west attitude, North-east of Turnpike Bluff, Shakleton Range. Antarctica, Scotia Sector

On rock fragments in sheltered hollow, Alt. 200 m. Summit of hill c. 1 km. south-west of Cape Charlotte, Royal Bay. South Georgia

On a vein of granite intruding into the meta-sediments (no lichen on latter);aspect E, Alt. 2385m. Mt. Chapman, Whitmore Mountains, Ellsworth Land. Antarctica, Byrd Sector

Tierra del Fuego australis, Cerro Garibaldi E, en lado de piedra grande en Nothofageto pumilionis sombrio, 300 m.s.m., bastante copiosamente. South America, Argentina

On Nothofagus pumilio. Alt. 270 m. La Cascada, near to Puerto Williams, Navarino Island, Chile. South America, Chile

Crevices of dry, north facing rocks, Alt. c. 250 ft. Shore behind Aniline Islet, Moraine Fjord, Cumberland East Bay. South Georgia

Shaded vertical slope with tussock overhanging, Alt. 20 ft. Near beach north side of Sandebugten, Barff Peninsula. South Georgia

Alt. c. 20 ft. Mainland to east of Sorn and Bernt Islands. South Georgia

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

Handspike Point at NW extremity. Macquarie Island

Patagonia occidentalis in valle fluminis Aysen in terra. South America

Patagonia occid. Puerto Low. South America

In bed of stream. Alt. 100-300 ft. Hebe-scrub near The Waterfall, Westpoint Island. Falkland Islands

On the raised beaches and scree slopes, Alt. 70 ft. East coast of Jenny Island, Laubeuf Fjord. Antarctic Peninsula, Fallieres Coast

Dry rock face and overhang cliff by shore, Alt. 15 ft. North of lower end of Sorlilng Valley, Barff Peninsula. South Georgia

North facing sea cliffs, Alt. 25 ft. North coast, more easterly of the Corner Islands, Argentine Islands. Antarctic Peninsula, Graham Coast

With Andreaea, on exposed north facing rock, Alt. 30 ft. The Windscoop, Galindez Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

On moss, on east facing side of gully, Alt. 80 ft. Litchfield Island, Arthur Harbour, Anvers Island, Danco Coast. Antarctic Peninsula, Danco Coast

N facing rocks (pillow lavas) moistened by snow melt near adelie penguin rookery, Alt. 20 m. Island SE of Belding Island, Biscoe Islands. Antarctic Peninsula

Snow covered rocks below small ice cap, NE aspect, Alt. 20 m. Quintana Island, Biscoe Islands. Antarctic Peninsula

Fairly level island, baked volcanic sediments and gabbro. Terns, giant petrel & skua nests. Moist ground where snow free, Alt. 4m. Armstrong Reef, Renaud Island, Biscoe Islands. Antarctic Peninsula

On flat moist surface (soil), Alt. 12 m. Flat area on top of rock bluff above Dragon Cove N, Livingston Island. South Shetland Islands

Volcanic sediment on small flat island 50 m long 2 m high, Alt. 2 m Islet S of Watkins Island, Biscoe Islands. Antarctic Peninsula

Flat rocks on snow covered island - possible skua nesting site, Alt. 12 m. Pitt Islands, Biscoe Islands. Antarctic Peninsula

On steep west-facing wall of rock, common, Alt. 300 m. NW buttress, northern Planet Heights, Alexander Island. Antarctic Peninsula, Alexander Island

Epiphytic on dried green alga, Alt. c. 140 ft. near south-east shore of Lake Boeckella, Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast

E side of rock with soil under, Alt. 7 m. Bonaparte Point, Anvers Island. Antarctic Peninsula

Exposed face Alt. 38 m. N face Sayer Nunatak, Livingston Island. South Shetland Islands

On wood. Alt. 10 m. FIDASE Hut, Whalers Bay, Deception Island. South Shetland Islands

On wood. Alt. 10 m. Biscoe House, Whalers Bay, Deception Island. South Shetland Islands

Along edge of large snow field on leeward side of a steep ridge. Alt. 50 m. Northernmost islands of Stillwell Hills group, Kemp Land. Antarctica, Enderby Sector

On soil ca. 10 m above lake shore. Forlidas Pond, Dufek Massif Antarctica, Scotia Sector

Plateau site, Fossil Bluff, Alexander Island. Antarctic Peninsula, Alexander Island

Under overhanging rock, in crevice with meltwater running over. Cape Sastrugi. Antarctica, Ross Sector

Wet muddy margin of stream. Alt. 5 m. Bertha's Beach. Falkland Islands

Empetrum rock heath and Empetrum - Baccharis heath, Alt. c. 50 ft. Eliza Cove, East Falkland Island. Falkland Islands

Fuegia media, Lago Blanco, Puesto de los Indios, in palude fertili. South America, Chile

On boulder along road in secondary forest. Alt. 2450 m. Along the El Valle road 20 km NE of Merida at Mucucharani, Quebrada de La Colata, Distrito Libertador, Venezuela. South America, Venezuela

On wet sheltered soil, Alt. 70 m. River side, river leading to Station Pompage, Possession Island. Crozet

In protected crevices of black lava outcrops. Alt. 30 m. SW of Met. Station, Marion Island. Prince Edward Islands

Petrel burrow. Alt. 135 m. Tarn Valley, Marion Island. Prince Edward Islands

Rock crevices, Alt. 50 ft. East side of snout of Nordenskjold Glacier, Barff Peninsula, Cumberland East Bay. South Georgia

Rostkovia bog, Alt. 100-200 ft. Near Kanin Point, Husvik, Stromness Bay. South Georgia

Tierra del Fuego, Hito XIX. South America

On moist soil beneath shaded rock overhang. Alt. 75 m. Cliffs above bay near 'albatross' monument, Cape Horn. South America, Chile

On rock on bluffs. Penguin Bay, northeast of Yvon Villarceau Peak. Campbell Island

Clinton Valley, Otago. New Zealand

On trunks of trees. To Apiti, Seventy Mile Bush, Hawke's Bay. New Zealand