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On soil granodiorite or tonalite ledges. Alt. 525 m. S face of Mt. Frische, Jason Peninsula, Larson Ice Shelf. Antarctic Peninsula

On moss/gravel, near top of spur, facing-east, Alt. 4600 ft. on spur, south side of Dana Glacier. Antarctic Peninsula

On moist gravelly soil. Alt. 225m. Gneiss Hills (N) Plateau, Signy Island. South Orkney Islands

On moss in damp, shaded, south-facing crevice, Alt. 100 m. Scree slope north of King Edward Point, Cumberland East Bay. South Georgia

On marble-banded rock face in cliff near shore. Alt. 5m. S side of Foca Cove, Signy Island. South Orkney Islands

On scree slope behind maritime outcrop, Alt. 30 m. South of Clark Nunatak, Byers Peninsula, Livingston Island. South Shetland Islands

Rock surface, Alt. 1000 ft. Ceritos rocks, Mount Usborne, East Falkland Islands. Falkland Islands

On bark of dead Nothofagus tree. Alt. 85m. Near Punta Bulnes, Brunswick Peninsula, Magellanes. South America, Chile

N facing cliff in gabbro, Alt. 1000ft. Unnamed nunatak S of Bel Knap Nunatak, Thurston Island, Eights Coast. Antarctica, Byrd Sector

On vertical, north face of cliff, Alt. 150 ft. North-east of hill between Factory Cove and Paal Harbour, Signy Island. South Orkney Islands

Rocks at high tide level, Alt. 3 m. South of Clark Nunatak, Byers Peninsula, Livingston Island. South Shetland Islands

Cuesta de Chacabuco (Prov. Aconcagua). South America, Chile

On dry south-facing nitrogenous cliff, Alt. 10 m. North side of Moltke Harbour, Royal Bay. South Georgia

On damp rock ledges facing west, Alt. 50 ft. Knife Point, Signy Island. South Orkney Islands

On dead moss (mainly Bryum algens). Alt. 15m. Broad valley to S of St Martha Cove, James Ross Island. Antarctic Peninsula

Wet bryophyte flush in late-lying snowpatch hollow, Alt. c. 100 ft. Above shore opposite King Edward Point, east of Gull Lake stream, Cumberland East Bay. South Georgia

Wet crevice in cliff, Alt. 250 ft. East side of Rusty Bluff, above Paal Harbour, Signy Island. South Orkney Islands

Growing over mosses on inclined west facing rocks, Alt. 150 ft. Top of hill behind Base, Factory Cove, Signy Island. South Orkney Islands

Wet flush amongst Andreaea sp. and other hepatics. Alt. 50 m. W side of Rusty Bluff, Moraine Valley, Signy Island. South Orkney Islands

Rock crevice, Alt. 100 ft. South of Berntsen Point, Signy Island. South Orkney Islands

Tierra del Fuego, Ushuaia, Rio Pipo. South America, Argentina

Empetrum rock heath, Alt. 300 ft. Tumbledown Mountain, Port Stanley, East Falkland Island. Falkland Islands

Amongst heath above shore. Hooker's Point, E of Port Stanley. Falkland Islands

Osorno South America, Chile

Rocks by waterfall, Alt. 500 ft. North side of Bore Valley, lower slopes of Mount Duse. South Georgia

Caleta Wilson, en Seno Pedro, Isla Clarence, Chile. South America, Chile

In hollow formed by slip in vegetation at base of rock outcrop, Alt. 60 m. North side of Vallee des Branloires, south-east of Mont de l'Alouette, Possession Island. Crozet

On peat in rock crevice, Alt. 5 m. Cliffs leading to beach, north side of Baie Americaine, Possession Island. Crozet

On moist bank, Alt. 120 m. South-facing slopes on north side Baie Americaine, opposite Rocher Pyramidal, Possession Island. Crozet

On wet rock surface, Alt. 40 m. Rock outcrop at side of Malpassee Riviere, near beach, Possession Island. Crozet

On south facing slopes, Behind Allen Bay. South Georgia

On wet cliff next to waterfall. West facing slope of Azimuth-Faye ridge. Campbell Island

On sheltered rock surface, Alt. 290 m. La Grotte du Geographe, Possession Island. Crozet

Edge of north-west facing seepage area on Cerro Sin Nombre. Alt. c.950 m. Estancia La Cumbre, Depto. Ultima Esperanza, Provincia Magallanes. South America, Chile

Moist steep slope bordering tussock stand, Alt. 10 m. Slope above Paul Beach, Ample Bay, Bay of Isles. South Georgia

In stream, Alt. 0-50 ft. Behind Grytviken whaling station, Cumberland East Bay. South Georgia

On wet glacial outwash fan, Alt. 100 m. Corrie behind Leith Whaling Station, Stromness Bay. South Georgia

Flat area of large scoria boulders. Plant extends right up to the permanent ice line and down the NNW ridge to 250 ft asl. Alt. 250m. Lava terrace below Mt Kirkwood and above the small lake to the NW of Mt Kirkwood. Deception Island. South Shetland Island

On rock fragments on north facing slope, Alt. 50 ft. Beside the BAS station, Factory Cove, Borge Bay, Signy Island. South Orkney Islands

Alt. 8-65 ft. Slopes above SE side Salisbury Plain. South Georgia

On rocks of ridge, Between upper and lower glacial plains, Hope Valley. South Georgia

Upper surface of dry rocks, Alt. c. 1400 ft. North-east end of Marescot Ridge, west coast of Trinity Peninsula. Antarctic Peninsula, Trinity Peninsula, West Coast

East-facing, exposed dry habitat, north-east end of Marescot Ridge, west coast of Trinity Peninsula. Antarctic Peninsula, Trinity Peninsula, West Coast

On slightly basaltic tuff. Alt. c. 300 m. NW corner of Francis Island, Bowman Coast, Larsen Ice Shelf. Antarctic Peninsula, Bowman Coast

On wooden planking of small bridge over stream. Alt. 1.5 m. Husvik whaling station. South Georgia

On soil. Alt. 600 m. Natal Ridge, east end, Alexander Island. Antarctic Peninsula, Alexander Island

On Hypnum sp. Alt. 10-15m. E end of N side of Camp point, Marguerite Bay. Antarctic Peninsula

With Usnea antarctica, Caloplaca sp. and Xanthoria candelaria. Alt. 70-80m. Whalers Bay S SW overlooking site 6586. Deception Island. South Shetland Islands

On stones in seepage area. Alt. 80m. Upper moraine north, Mars Oasis, Alexander Island. Antarctic Peninsula, Alexander Island

On whale skull on beach, Alt. 2 m. Horse Head, Cumberland East Bay. South Georgia