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Wet rocks by streams, Waimate, Canterbury. New Zealand

By edges of streams, Bruce's Track, Kelly's Creek, Kelly's Range. New Zealand

Puerto Aysen : Laguna de San Rafael. South America, Chile

Lapataia, picada al Fagnano. South America

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

On decayed wood. Mount Cargill nr. Dunedin, Otago. New Zealand

On decayed logs. Teremakau Bush, nr. Aickens, c. 800 ft. New Zealand

Above Musgrave Peninsula, Auckland Island. Auckland Islands

On ground in open patch near seaward edge of coastal forest, SW of Seno Ponsonby, Isla Hoste. South America, Chile

On decayed wood in damp bush. Waimate, Canterbury. New Zealand

Los Perales, Va pr. Valparaiso sur ecorces South America, Chile

Fuegia occidentalis, Fjordo Almirante Martinez, Bahia Sarmiento. South America, Chile

Abundant on rocks as understorey to Usnea sphacelata. Alt. 150m. Hill top to S side of St. Martha Cove, James Ross Island. Antarctic Peninsula

In cracks on westerly aspect, on nunatak, Cape Bruce, MacRobertson Land. Antarctica, Enderby Sector

On (mainly) small volcanic stones in wetter areas. Alt. c.400m. Plateau, Cockburn Island. Antarctic Peninsula

On north facing rock ledge. Alt. 2000 ft. Spencely Rock. South Georgia

On andesite rocks in Usnea fasciata community. Alt. 240 m. Bastion Hill between Windy Glacier and Tower Glacier, Admiralty Bay, King George Island. South Shetland Islands

Encrusting stones, Alt. 400 ft. Gull Lake, Cumberland East Bay. South Georgia

On andesite rocks on southern slope. Alt. 240 m. Bastion Hill between Windy Glacier and Tower Glacier, Admiralty Bay, King George Island. South Shetland Islands

Rock surface, Alt. 50 ft. The Windscoop, Galindez Island, Graham Coast. Antarctic Peninsula, Graham Coast

Exposed rock, Alt. 50 ft. The windscoop, Galindez Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

N facing steep rock slope, Alt. 450 m. N of Marsh Spur, Oscar II Coast. Antarctic Peninsula

On large quartz-mica-schist boulder, Alt. 95 ft. East side of hill between Factory Cove and Paal Harbour, Signy Island. South Orkney Islands

Alt. 1000 ft. Loubat Point, Lemaire Channel, Graham Coast. Antarctic Peninsula, Graham Coast

On andesite rock faces on S-facing slope. Alt. 135 m. Siodlo (=saddle) Hill in Baranowski Glacier, Admiralty Bay, King George Island. South Shetland Islands

On stones in outer zone of fumarole vegetation, Alt. 200-300 ft. Between lagoons and most southerly exposed lava ridges, Candlemas Island. South Sandwich Islands

On west facing dry slightly nitrogenous outcrop. Alt. 150 m. 1/2 km. west of Cape Vahsel. South Georgia

Raised beaches, NE bench, S of prominent bluff, at NE end of Jenny Island. Antarctic Peninsula, Fallieres Coast

On quartz-mica-schist boulders, Alt. 20 ft. West side of Thule Islands, Borge Bay, Signy Island. South Orkney Islands

On dry rock face, Alt. c. 60 m. East side of Mount Duse, Cumberland East Bay. South Georgia

Exposed rock on mossy scree, Alt. 80 ft. South side of promontory opposite Lynch Island, Coronation Island. South Orkney Islands

Crevices in east facing cliff, composed of acid volcanics, Alt. 1970 ft. 5 miles west of Gemini Nunatak, Oscar II Coast. Antarctic Peninsula, Oscar II Coast

On rocks and broken stones, Alt. c. 350 ft. Summit of hill between Factory Cove and Paal Harbour, Signy Island. South Orkney Islands

North-facing slopes, un-named hill near Rusty Bluff, Signy Island. South Orkney Islands

As 148 (10878?, on loan to Ovstedal). Alt. 75 m. Above Paal Harbour, Signy Island. South Orkney Islands

On large boulder. Alt. 80 m. Valley to N or Drune, Fossil Bluff, Alexander Island. Antarctic Peninsula, Alexander Island

On stones on exposed col, Alt. 80 m Between Factory Bluffs and Rusty Bluff, Signy Island. South Orkney Islands

On andesite boulder non-enriched in community of Usnea antarctica. Alt. 50 m. Mountain ridge called Cytadela, Golden Cove, Ezcurra Inlet, Admiralty Bay, King George Island. South Shetland Islands

On boulders in dry east-facing non-nitrogenous moraine, Alt. 120 m. North side of corrie behind Leith Whaling Station, Stromness Bay. South Georgia

On rock. Alt. 80 m. Albatross Lake No. 3, Marion Island. Prince Edward Islands

On level ledge on N side of summit area, Alt. 1805m. Taylor Outlier, Thiel Mountains, Ellsworth Land. Antarctica, Byrd Sector

In a horizontal crack in a granite boulder at top of a spur, Alt. 2400m. Mt. Chapman, Whitmore Mountains, Ellsworth Land. Antarctica, Byrd Sector

In a vertical crack on a 30 degree sloping quartz band facing NNE, Alt. 2180m. Compton Valley, Thiel Mountains, Ellsworth Land. Antarctica, Byrd Sector

Stones and rocks. Alt. 35m. Moraine Valley, Signy Island. South Orkney Islands

Exposed on mossy scree, Alt. 30 ft. North side of promontory opposite Lynch Island, Coronation Island. South Orkney Islands

Boulders below cliff face. Alt. 100 m. Above Paal Harbour, Signy Island. South Orkney Islands

On dry non-nitrogenous boulder, Alt. 200 m. Near cairn, Bore Valley. South Georgia

On large boulders towards the base, often with Umbilicaria. Occasionally on small stones in protected cracks. Vegetation Island. Antarctica, Ross Sector

Locally abundant on ESE facing rock slabs concentrated in grooves and fissures which channel melt water. East end of short ridge to SW of Mt. Homard, Shackleton Mts. Antarctica, Maud Sector

Abundant on rock along cracks and areas damp after snow melt, Fischer Nunatak, MacRobertson Land. Antarctica, Enderby Sector