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On wood plank, Alt. 65 ft. Near the BAS station, Factory Cove, Borge Bay, Signy Island. South Orkney Islands

Alt. 100-125 m. Cape King, Victoria Land. Antarctica, Ross Sector

On sandstone boulders. Alt. 150 m. Mars Oasis, upper moraine, basin, Alexander Island. Antarctic Peninsula, Alexander Island

On small volcanic stones, Plateau, Cockburn Island. Antarctic Peninsula

On moss (Tortula), Alt. c. 60 ft. Marble knolls near Waterpipe Beach, Signy Island. South Orkney Islands

On dead moss. Alt. c. 110 m. Factory Bluffs plateau, Signy Island. South Orkney Islands

On wood debris, Alt. 20 ft. Beside the BAS station, Factory Cove, Borge Bay, Signy Island. South Orkney Islands

On moss, moist soil in seepage area. Alt. 75 m. Mars Oasis, upper moraine north, Alexander Island. Antarctic Peninsula, Alexander Island

On Andreaea with Himantormia lugubris. Alt. 195 m. Plateau between Jane Col and Snow Hills, Signy Island. South Orkney Islands

Near a low wall amongst outcrop, on ledges facing south-west, Alt. 2400 ft. Ridge on north of Guard Glacier. Antarctic Peninsula

On shelves in loose rock facing north-west, Alt. 3000 ft. Summit of Mount Hill. Antarctic Peninsula

In between outcrop on broad ridge, lying loose, Alt. 4350 ft. Flat broad ridge, Engle Peaks. Antarctic Peninsula

In abundance on level slabs facing east on an outcrop ridge, Alt. 2550 ft. Ridge running west to east on north of Murrish Glacier. Antarctic Peninsula

Pebbles and rocks, Alt. 20m. Whitney Point, Clark Peninsula. Budd Coast. Antarctica, Wilkes Sector

Shaded stones below rock overhang, Alt. 75m. N side Mitchell Peninsula, O'Brien Bay. Budd Coast. Antarctica, Wilkes Sector

On pebbles on rocky ground, Alt. c. 30m. SSSI area, Bailey Peninsula. Budd Coast. Antarctica, Wilkes Sector

Mostly amongst loose damp stones on flattish areas, some ringed specimens seen, Alt. 600 ft. West face of Nunatak to WSW of Fidase Peak. Antarctic Peninsula

Dry shaded stones, Alt. 40m. SSSI Bailey Peninsula. Budd Coast. Antarctica, Wilkes Sector

On boulder on scree slope. Alt. 20 m. Mountain ridge call Cytadela, Golden Cove, Ezcurra Inlet, Admiralty Bay, King George Island. South Shetland Islands

On andesite rock faces. Alt. 325 m. Zamek (=castle) Hill between Baranowski Glacier and Sphinx Glacier, Admiralty Bay, King George Island. South Shetland Islands

Abundant on boulders and stones. Alt. 25m. Between Pumphouse Lake and Knob Lake, Signy Island. South Orkney Islands

On dry soil in rock crevice, Alt. 20-60 m. N side of largest one of easternmost of Joubin Islands, c. 16 Km west of Arthur Harbour, Anvers Island, Danco Coast. Antarctic Peninsula, Danco Coast

On dry non-nitrogenous pebbles on dried-up glacial outwash fan, Alt. 150 m. North-west side near head of Whale Valley, Royal Bay. South Georgia

Growing in a summit aspect, Western outcrop of Forbes Glacier Tongue, MacRobertson Land. Antarctica, Enderby Sector

On strongly weathered andesite rocks on the right side of stream. Alt. 15 m. Ornithologists Creek, south of Arctowski Station, Admiralty Bay, King George Island. South Shetland Islands

On bird-perching rocks by shore. Alt. 15 m. Emeral Point, Cardozo Cove, Ezcurra Inlet, Admiralty Bay, King George Island. South Shetland Islands

On rock surface, mainly top but also on all sides, Alt. 4 m. Peninsula north of Depeaux Point, Petermann Island, Graham Coast. Antarctic Peninsula, Graham Coast

On stones among Pohlia-Polytrichum vegetation Alt. 150 ft. Under crag projecting through north end of ice cap, Candlemas Island. South Sandwich Islands

On stones on ash knoll, Alt. c. 150 ft. Top of ash bank south of western lagoon, Candlemas Island. South Sandwich Islands

Stones lying on ash slope below ice cap, Alt. 200 ft. Western side of Candlemas Island. South Sandwich Islands

On wood debris, Alt. 80 ft. Behind the BAS station, Borge Bay, Signy Island. South Orkney Islands

On dead moss, at margin of sorted circles. Alt. 400 m. Scarab Ridge Plateau, Fossil Bluff, Alexander Island. Antarctic Peninsula, Alexander Island

On timber from old British Antarctic Survey Base. Goudier Islet, Port Lockroy, Wiencke Island. Antarctic Peninsula, Danco Coast

On small volcanic rocks. Alt. c.400m. Plateau, Cockburn Island. Antarctic Peninsula

Lying amongst loose stone between outcrop, Alt. 2400 ft. Major ridge running from 2300ft. to 4400ft. north Engle Peaks. Antarctic Peninsula

Facing north-east on walls sloping away at 45 deg. on north-east side of ridge, Alt. 4375 ft. The south-west spur running from 4000ft. to minor summit, north of Engle Peaks ridge. Antarctic Peninsula

Amongst outcrop and stones on south side of ridge, Alt. 2700 ft. Ridge starting at 2000ft rising to 4500ft, Southern of Engle Peaks main east ridges. Antarctic Peninsula

Dry rocks and stones. Alt. 10 m. Horseshoe Island, North Marguerite Bay. Antarctic Peninsula, Fallieres Coast

In cracks on sloping surfaces, east side of ridge, Alt. 4400 ft. The south-west spur running from 4000ft. to minor summit, north of Engle Peaks ridge. Antarctic Peninsula

Facing west amongst loose boulsers, Alt. 2500 ft. south-west ridge leading down from the summit of Mount Hill. Antarctic Peninsula

North end of Coal Nunataks, Alexander Island. Antarctic Peninsula, Alexander Island

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

On black rock. Alt. 100 m. Ridge above plateau, Harrow Peaks, Victoria Land. Antarctica, Ross Sector

On dry crumbling boulders, possibly used as tern perches. Alt. c.50m. 1.5km W of Cape Wiman, Seymour Island. Antarctic Peninsula

On boulder on moraine, north facing slope. Alt. 10 m. Mountain ridge called Cytadela, Golden cove, Ezcurra Inlet, Admiralty Bay, King George Island. South Shetland Islands

Growing over cushions of Bryum algens in depressions along melt water run-offs, West side of Mawson Rock, MacRobertson Land. Antarctica, Enderby Sector

On small stones scattered amongst moss cushions in depressions along melt water run-offs, West side of Mawson Rock, MacRobertson Land. Antarctica, Enderby Sector

On moss. Alt. 130 m. North end of Kay Island, Wood Bay, Victoria Land Antarctica, Ross Sector

On Grimmia cf. donniana Alt. 150m. Fortress Hill, James Ross Island. Antarctic Peninsula

On old sealbone on isthmus. Alt. 8m. The Naze, James Ross Island. Antarctic Peninsula