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On dry Pohlia nutans on dry rock. Alt. 10-15m. North-west corner of Darboux Island, Argentine Islands, Graham Coast. Antarctic Peninsula

On soil on rock outcrop. Alt. 80 m. Slope behind BAS station, Factory Cove, Signy Island. South Orkney Islands

On moist rocks and boulders, especially at edge of stone stripes; with Andreaeasp. Alt. 50 m. Knife Point facing Moraine Valley, Signy Island. South Orkney Islands

On moist soil and moss at margin of mobile solifluction stripe. Alt. 35m. Near lake, Moraine Valley, Signy Island. South Orkney Islands

On moist soil and moss at margin of stone stripe. Alt. 30 m. Moraine Valley, Signy Island. South Orkney Islands

On base rich soil covering boulder. Alt. 30 m. Marble Knolls, between Pumphouse and Knob Lakes, Signy Island. South Orkney Islands

Low marble outcrop. Alt. 10 m. The Wallows, Signy Island. South Orkney Islands

On Drepanocladus sp. on dry gravelly soil. Alt. 25m. Lynch Island. South Orkney Islands

On Andreaea on dry rock, Alt. 20-60 m. Northeast to northwest slope, Green Island, Berthelot Islands, Graham Coast. Antarctic Peninsula, Graham Coast

Col 1.5 km WNW of Mt. Kirkwood summit. Alt. 300 m. Deception Island. South Shetland Islands

On rocks adjacent to stream. Upper Flatiron Valley. Antarctic Peninsula, Alexander Island

Stones beside shore of lake. Alt. 50 m. Horseshoe Island, North Marguerite Bay. Antarctic Peninsula, Fallieres Coast

Stones in fellfield area. Alt. 50 m. Express Cove, Signy Island. South Orkney Islands

On liverworts at margin of stone strip. Alt. 30 m. Moraine Valley, Signy Island. South Orkney Islands

On limestone boulder at summit of low hill. Alt. 38 m. Gourlay Peninsula, Signy Island. South Orkney Islands

On limestone rockface. Alt. 20 m. Marble Knolls, Signy Island. South Orkney Islands

On moss on calcareous soil on limestone outcrop. Alt. 10 m. Above Mirounga Flats, Signy Island. South Orkney Islands

On moss (Sanionia uncinata) on moist rock ledge. Alt. 20 m. Stygian Cove, Signy Island. South Orkney Islands

On moss. Alt. 30 m. North Valley, Edmonson Point North, Victoria Land. Antarctica, Ross Sector

On moss on moist rock ledge. Alt. 25 m. East side of Lagoon Island. Antarctic Peninsula

Common on stones. Alt. 10-30 m. Rothera Point, Adelaide Island. Antarctic Peninsula

Moist shaded rock cleft. Alt. 15 m. N end of Rothera Point (SSSI), Adelaide Island. Antarctic Peninsula

On moss at side of sorted circle. Alt. 20 m. Central area of Rothera Point, Adelaide Island. Antarctic Peninsula

Dry stones and rocks. Alt. 28 m. SSSI, Rothera Point, Adelaide Island. Antarctic Peninsula

On soil or moss tufts, in damp areas sheltered by rocks. Antarctica, Ross Sector

Epiphytic on moss clumps, often with other white or black crustose lichens. Cape Sastrugi. Antarctica, Ross Sector

In centre of island on west slope, usually with Buellia. Kay Island. Antarctica, Ross Sector

Common on drier clumps of moss amongst patterned ground beside small lake above Gondwana station. Gerlache Inlet. Antarctica, Ross Sector

On wet shaded rock faces close to the shore. Abundant around island. Alt. 1-5m. N side of Observation Bluff, Signy Island. South Orkney Islands

On wet rocks close to shore, Alt. 2 m. North side of Observation Bluff, Signy Island. South Orkney Islands

On loose scoria on floor of small valley. Alt. c. 30 m. Edmonson Point. Antarctica, Ross Sector

On moist peat/tussock litter between Poa flabellata pedestals, Alt. c. 15 m. c. 25 m t N of freshwater pool at SW end of Beauchene Island. Falkland Islands

Hummocky area, in moist stony depression. Alt. c. 30m. SSSI area, above ice field, Bailey Peninsula. Budd Coast. Antarctica, Wilkes Sector

Crevice in marble knoll, Alt. 70 ft. North of Elephant Flats, Signy Island. South Orkney Islands

Deposited from tyre of vehicle brought ashore from ship. Alt. 2m. Casey Station road, Bailey Peninsula Budd Coast. Antarctica, Wilkes Sector

In boggy ground, Alt. 200 m. Southern slopes of valley of Riviere du Camp, north of Mt. Branca, Possession Island. Crozet

Damp boggy ground behind freezer plant. Alt. 3 m. Grytviken whaling station. South Georgia

Amongst Juncus etc. in foundations of old building, behind theatre, Grytviken. South Georgia

On hummocks formed around rotting Phylica stumps, Alt. 150 m. In Phylica wood, west of Pt. Eboulement. Amsterdam Island

Empetrum heath. Alt. 100 ft. Near radio station, Port Stanley, East Falkland Is. Falkland Islands

Grassland near telepherique, Ile de la Possession. Crozet

Festuca moor association moraine. Alt. 30 ft. Dartmouth Point. South Georgia

Festuca association on dry stony ground by river, Alt. c. 200 ft. Valley connecting the corrie with the three lakes, to bay north of Sandebugten. South Georgia

Among vegetation on stream bank, Alt.near sea level South bank of Murrell River, opposite Islet Point, East Falkland Islands. Falkland Islands

Rock ledge with Festuca, Acaena and mosses. Alt. 170 m. Upper Maidal overlooking Maivatn. South Georgia

In Festuca-Acaena community on rock ledge. Alt. 40 m. SW of Grytviken whaling station. South Georgia

Among grasses at top of stream bank. Alt. 100 ft. Wireless Ridge, near Port. Stanley, East Falkland Is. Falkland Islands

Rio Maullin, Puerto Montt. South America, Chile

Beside ditch, Alt. 25 ft. Darwin School, Falkland Islands. Falkland Islands

In a rock crevice in a swamp. Alt. 30 ft. Felton Stream, Stanley. Falkland Islands