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Stony grassland and low rocks. Alt. 50 ft. Near football pitch, Stanley. Falkland Islands

On gravelly soil, Alt. 400 m. East of col, north of Peak 556, west of Baie de la Hebe, Possession Island. Crozet

Fine soil and gravel amongst large lava boulder. Alt. 50 m. Upper terrace of North Valley, Edmonson Point, Victoria Land. Antarctica, Ross Sector

Silla del Gobernador (Prov. Coquimbo). South America, Chile

Empetrum rubrum heath. Alt. 180 m. W side Mt William. Falkland Islands

Dry rock surface, Alt. 80 m. Gully running east to west on north-west spur, Petermann Island. Antarctic Peninsula

On flat exposed south-facing rock, Alt. 7-10 m. NW corner of Millerand Island, Marguerite Bay. Antarctic Peninsula

Wide range of habitats, scree, sunny rock faces, dry environment, west-facing slopes, Alt. 750 m. Lully Foothills, Alexander Island. Antarctic Peninsula, Alexander Island

At foot of north-facing cliff, Alt. 700 ft. SW side of corrie, Finley Heights. Antarctic Peninsula, Wilkins Coast

Lying amongst broken loose rock, Alt. 3800 ft. North summit on the east side of Guard Glacier ridge. Antarctic Peninsula

Frost shattered rock on exposed dry ridge. Alt. 580 m. Ablation Col. Antarctic Peninsula, Alexander Island

Dry exposed moraine debris. Alt. 580 m. Ablation Col. Antarctic Peninsula, Alexander Island

On exposed moraine. Alt. 578m. Ablation Col. Antarctic Peninsula, Alexander Island

On rock. Alt. 1717 m. Ridge summit c. 8.75 km NW from Potter Peak, Ellsworth Land Antarctica, Scotia Sector

Stones and outcrops. Alt. 100 m. Coal Nunatak, Alexander Island. Antarctic Peninsula, Alexander Island

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

Submerged in stream, Alt. c. 100 ft. In corrie to east of Jordan Cove, overlooking Shoemaker Point, Bird Island. South Georgia

Moist, east-facing rock surface, Alt. 400 ft. Rock outcrop on cliff overlooking north side Moltke Harbour. South Georgia

Moist sheltered rock crevice, Alt. 250 ft. West-facing slopes overlooking Moraine Fjord, Dartmouth Point, Cumberland East Bay. South Georgia

Rock in stream, Alt. 100 ft. Above shore on east side of Moraine Fjord, Cumberland East Bay. South Georgia

Colonising fine clayey soil, (pH 7.5). Alt. 15m. Stable soil at north end of Orwell Glacier moraine system. Signy Island. South Orkney Islands

On damp, sheltered, north-facing, Tortula robusta turf, Alt. 10 m. Hill behind Binder Beach, Right Whale Bay. South Georgia

Amongst Festuca association, east-facing, Alt. c. 100 ft. West side of Olsen Valley, opposite Ruby Peak, Stromness Bay. South Georgia

Amongst Festuca association, Alt. c. 500 ft. Approximately 0.5 mile inland from the whaling station, valley running north-west from Husvik, Stromness Bay. South Georgia

On very coarse scoria on plateau. Alt. 130 m. Pendulum Cove, east of Crimson Hill, Deception Island. South Shetland Islands

Tussock leaves, King Edward Cove area. South Georgia

Crevices of north facing rocks, Alt. 1950 ft. Near the summit of Mount Hodges. South Georgia

Crevices in rock on N facing coastal spur, Alt. 10 m. Pitt Islands, Biscoe Islands. Antarctic Peninsula

Moist calcareous soil on steep mobile scree. Alt. 20 m. Stygian Cove, Signy Island. South Orkney Islands

At depth of 5 m. Sombre Lake, Signy Island. South Orkney Islands

Extensive 'horizontal' bed growing in damp area between rocks. Alt. 15 m. Low lying island offshore ESE from Cape Herschel, Davis Coast. Antarctic Peninsula, Danco Coast

On top of rock along the fissure, but probably not heated by the fissure. Alt. 100m. Ridge above Fumarole Bay, opposite Argentine Base. Deception Island. South Shetland Islands

Point on east side of Barrett Glacier. Alt. 1500 ft. Shackelton Glacier area. Antarctica, Ross Sector

In dry, shaded rock crevices. Alt. 30 m. North side of Leonie Island. Antarctic Peninsula

On gravelly soil between large boulders near nest of South polar skua. North side of ridge extending east from Mt. Provender, Shackleton Mts. Antarctica, Maud Sector

Top slope. Alt. about 1020 m. Mt. Suess, Victoria Land. Antarctica, Ross Sector

On lichens in exposed rock ledges facing west, Alt. 300 ft. Observation Bluff, Signy Island. South Orkney Islands

Nitrogenous rock ledges above splash zone, Alt. 15 ft. Berntsen Point, Signy Island. South Orkney Islands

Wet rocks above high tide mark, facing north-east, Alt. 6 ft. Tern Cove, Signy Island. South Orkney Islands

Sobre la hojarasca en bosque mixto de Nothfagus betuloides. Provincia Magallanes, Depto Ultima Esperanza, Bahia Bellavista, en la ladera SW del Cerro Balmaceda. South America, Chile

On sparsely vegetated waste ground by steps of dormitory adjacent to kitchens. Alt. 3-4 m. Grytviken Whaling Station. South Georgia

Bare stony path in graveyard, Alt. c. 50 ft. Leith Whaling Station, Stromness Bay. South Georgia

Moist habitat beside stream. Alt. 317 m. Middle Flatiron Valley, Alexander Island. Antarctic Peninsula, Alexander Island

On blocks of breccia. Alt. 100m. S Abernethy Flats (5km SSE from SW corner of Brandy Bay); near large lake, James Ross Island. Antarctic Peninsula

Coastal area. South and east of Aniline Island. South Georgia

Amongst stones in small melt stream. Alt. 20 m. NE Ablation Valley, Alexander Island. Antarctic Peninsula, Alexander Island

Lake margins Alt. 100 m Negro Hill Byers Peninsula, Livingston Island South Shetland Islands

On rocks and gravel behind snout of Harker Glacier. South Georgia

Sandy soil among scree in shallow gully on north facing slope, Southern shore of bay, east of base on west coast of Horseshoe Island, Marguerite Bay. Antarctic Peninsula, Fallieres Coast

On moist rock face. Alt. 10-80 m. Steepholm Island, Robertson Islands. South Orkney Islands