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On Caloplaca regalis on nitrogenous sea cliffs facing west, Alt. 10 ft. Spindrift Rocks, Signy Island. South Orkney Islands

Exposed pebble scree, Alt. 50 ft. Olivine Point, Coronation Island. South Orkney Islands

Alt. 30 m. Claude Point, Brabant Island. Antarctic Peninsula

On boulder next to sea, near gull colony, Alt. 10 m. Metchnikoff Point, Brabant Island. Antarctic Peninsula

Damp soil between small rocks, Alt. 260 ft. between Scar Hills South and Mount Flora, Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast

Small rocks between main boulders, damp, Alt. c. 450 ft. Andersson Nunatak, Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast

In damp situations between boulders, Alt. 50 ft. Alectoria Island, Prince Gustav Channel. Antarctic Peninsula, Trinity Peninsula, East Coast

Raised beach, Alt. 30 ft. Middle of north coast of Jenny Island. Antarctic Peninsula, Fallieres Coast

In wet runnel on south-facing boulder, Alt. 100 m. Corrie behind Leith Whaling Station, Stromness Bay. South Georgia

North of Mount Tenniel, Alt. 800 m. Wilkins Coast, Palmer Land. Antarctic Peninsula

On pebbles on raised beach crest, Alt. 17 m. Barnard Point, Livingston Island. South Shetland Islands

Among boulders on rocky slope, Alt. 300 ft. East side of Vindication Island. South Sandwich Islands

On boulder just above high water mark, Alt. 2 m. South end of Binder Beach, Right Whale Bay. South Georgia

N facing scree below nitrogenous cliffs. Alt. 50ft. Bluffs SE of Factory Cove, Signy Island. South Orkney Islands

On decaying wood plank, Alt. 5 m. Behind Binder Beach, Right Whale Bay. South Georgia

On rocks of boulder beach above storm zone on west coast of island, Alt. 10-15 m. Beauchene Island, 40 km south of E. Falkland Island. Falkland Islands

On rock. Alt. 50 m. Resolution Point, Cook Island. South Sandwich Islands

Rocks and outcrops, Alt. 20-30 m. Collins Point, Deception Island. South Shetland Islands

On moss and soil, on dry stony ground at margin of solifluction lobe. Alt. 2-3 m. Near W shore of Ablation Lake to S of main stream, Ablation Valley, Alexander Island. Antarctic Peninsula, Alexander Island

Rocks and stones. Alt. 700 m. Football Saddle, Victoria Land. Antarctica, Ross Sector

On stones. Inexpressible Island, Victoria Land. Antarctica, Ross Sector

In crack on windswept granite exposure, Alt. 600ft. Lepley Nunatak, Eights Coast. Antarctica, Byrd Sector

On moribund moss and gravelly soil on black rock. Alt. 100 m. Ridge above plateau, Harrow Peaks, Victoria Land. Antarctica, Ross Sector

On smooth granitic boulders. Alt. 5-10 m. South east end of Inexpressible Island, Victoria Land. Antarctica, Ross Sector

Dry rock on S facing rock. Vestfold Hills, between Chelnok Lake and Taleg Gorge. Ingrid Christensen Coast. Antarctica, Enderby Sector

North facing scree below nitrogenous cliffs, Alt. 50 ft. SE of Factory Cove, Signy Island. South Orkney Islands

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

Dry rocks, Alt. 50m. Rothera Point, Adelaide Island. Antarctic Peninsula

Meltwater soakaway, Alt. 40 ft. Swampy area NE of Lenton Point, Signy Island. South Orkney Islands

Wet frost-heaved area, Alt. 40 ft. South of Berntsen Point, Signy Island. South Orkney Islands

Meltwater area, Alt. 100 ft. Above windscoop, Galindez Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

Moist soil around small pool, Alt. 8 m. Small island near middle of Cruls Islands archipelago, Graham Coast. Antarctic Peninsula, Graham Coast

Wet melt-water stream between Drepanocladus uncinatus on N/NW-side of the hill. Alt. 10 m. On highest hill on NW-side of Cuverville Island near the coast. Antarctic Peninsula, Danco Coast

On bog surface, Alt. 740 m. East of le Museau de Tanche. Amsterdam Island

Slope below marble knoll, Alt. 100 ft. Near Spindrift Rocks, Signy Island. South Orkney Islands

Fuegia media, Estancia Cameron, Rio Bueno, in palude aperto aquoso. South America, Chile

On fine dry soil. Alt. 150m. Fortress Hill, James Ross Island. Antarctic Peninsula

On stones and boulders in scree. Alt. 175 m. Central col along ridge, Reptile Ridge. Antarctic Peninsula

On moss (Bryum pseudotriquetrum), dry gravelly granitic soil between boulders. Alt. 150-200 m. Harrow Peaks, Victoria Land. Antarctica, Ross Sector

On stone on a loose stone and outcrop ridge, Alt. 2950 ft. North-east ridge, 50 ft. below summit, Mount Hill. Antarctic Peninsula

Vertical rock face, snow free all year, Alt. 50 ft. South ridge, south of Neptunes Bellows, Deception Island. South Shetland Islands

On dry, east facing, nitrogenous outcrop, Alt. 100 m. Small moraine midway between shore and glacier, 2 km south of Bertrab Glacier. South Georgia

Rock ridge. Alt. 50 m. Horseshoe Island, North Marguerite Bay. Antarctic Peninsula, Fallieres Coast

Small flaked flutings running north-south on crest, in association with spider grass, Alt. 3950 ft. Major ridge running from 2300ft. to 4400ft. north Engle Peaks. Antarctic Peninsula

In north facing rock ledges on cliffs, Alt. 350 ft. Observation Bluff, Signy Island. South Orkney Islands

Nitrogenous sea cliffs facing east, Alt. 10 ft. Billie Rocks, Borge Bay, Signy Island. South Orkney Islands

In cavity in volcanic rock. N facing rock face, Alt. 700ft. 1 mile N of Pillsbury Tower (Jones mts) on pinnacle on diorite dyke in granite, Eights Coast. Antarctica, Byrd Sector

Cliffs, Alt. c. 5-30 m. Freezeland Rock. South Sandwich Islands

on dead moss, near main lake, Gondwana Station area, Victoria Land. Antarctica, Ross Sector

In sheltered moist rock crevice, Alt. 290 m. La Grotte du Geographe, Possession Island. Crozet