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Dry to moist rock ledges and pockets of soil, Alt. 5-20 m. Second largest island of Takaki Point, south end of Grandidier Channel. Antarctic Peninsula

Dry acid peat surface, Alt. 15 ft. Darwin School, East Falkland Islands. Falkland Islands

Gravelly soil, Alt. 15-50 m. To NE of Mount Alexander, Joinville Island. Antarctic Peninsula

Dry rock, old stable stones, very steep, Alt. 150 m. Ridge to north of Shakleton Gap. South Georgia

On soil. Alt. 700-750 ft. Grassland in Misery Valley, Westpoint Island, West Falklands. Falkland Islands

Hestesletten, Cumberland East Bay. South Georgia

On stony ground, Alt. 500 m. East of Cratere de l'Olympe. Amsterdam Island

Kroner Lake, Deception Island. South Shetland Islands

Almost flat volcanic ash. Alt. 50 ft. Hollow between Kroner Lake and Ronald Hill, Deception Island. South Shetland Islands

On Tortula robusta turf on north-facing slope, Alt. 75 m. Behind Will Point, Royal Bay. South Georgia

Dry exposed rocks.Harrow Peaks, Victoria Land. Antarctica, Ross Sector

Alt. 791m. Behrendt Mountains, Ellsworth Land Antarctic Peninsula

East side of large nunatak, Alt. 2000 ft. Wilkins Coast. Antarctic Peninsula, Wilkins Coast

Moss carpet on flat top of point. Alt. 50 m. Resolution Point, Cook Island. South Sandwich Islands

On moderately exposed bank in association with other Racomitria, Agrostis and Blechnum, Alt. 50 m. North-facing slopes of valley south of Pointe du "Bougainville", east of Pt. 193, Possession Island. Crozet

Wet banks of stream, Alt. c. 100 ft. East end of valley running north-west from Husvik whaling station, Stromness Bay. South Georgia

Dry rock surface, Alt. 480 ft. South-facing scree slope of Roche Peak, Bird Island. South Georgia

North-facing outcrop, Alt. 300 ft. Sapper Hill, Port Stanley. Falkland Islands

On rocks in, and near stream, Alt. 200 ft. East of Jordan Cove, Bird Island. South Georgia

Wet banks of river, Alt. 0 ft. North-west shore of Moltke Harbour, Royal Bay. South Georgia

Staten Island. South America, Argentina

Alt. 500-700 ft. Main Island, Willis Islands. South Georgia

On trampled, decaying Polytrichum bank, Alt. 40 m. North side of Moltke Harbour, Royal Bay. South Georgia

On ash in shallow depressions between rubble piles, Alt. 75 ft. Between shore and snow field of Mount Pond, north-west of Ronald Hill, Deception Island. South Shetland Islands

Growing in sheltered area between rock bands. Alt. 20 m. Low lying island offshore ESE from Cape Herschel, Davis Coast. Antarctic Peninsula, Danco Coast

Tonalite rock. Flat topped island, numerous skua nests. Abundant and varied lichen cover, Alt. 5m. Island in Armstrong Reef off Bernaud Island. Antarctic Peninsula

A rocky hill on SE peninsula. Skua nesting site. Alt. 35m. Trundle Island, Biscoe Islands. Antarctic Peninsula

Rocky upland knoll away from volcanic heat, Alt. c. 400 m. East side of summit mass, Vindication Island. South Sandwich Islands

Tower Island? Antarctic Peninsula, Trinity Peninsula, West Coast

Dry sandy soil and gravel. Alt. 150 m. North end of Kay Island, Victoria Land. Antarctica, Ross Sector

On Drepanocladus uncinatus, Alt. 10-25 m. Dismal Island, Faure Islands, Fallieres Coast. Antarctic Peninsula, Fallieres Coast

Dry west facing rock surface, Alt. 80 m. Rock area 30 m east of large melt pool, Petermann Island. Antarctic Peninsula

North west facing rock ledges below petrel nests, Alt. 50 ft. SE of Factory Cove, Signy Island. South Orkney Islands

En terraza rocosa. Provincia Magallanes, Depto Ultima Esperanza, Puerto Toro, Orillas del Seno, cercanias del glaciar del Cerro Balmaceda. South America, Chile

Rocks near stream, Alt. 400 ft. North-facing rock outcrop west of Craigie Point, Right Whale Bay. South Georgia

Rock ledges, Alt. 1400 ft. Above and to east of Hodges Glacier, slopes of Mount Hodges. South Georgia

Rock crevices, ledges, ash plains, scree, Deception Island. South Shetland Islands

On big rocks near seaward fringe of debris belt. Alt. c.15m. Beside new lava flow to S of Kapp Circoncision. Bouvetoya

On sandy gravel in moraine. Clark Peninsula Antarctica, Wilkes Sector

In crevices in rock outcrops. Alt. 500-600 m. Cliffs below summit of Pyramid, Fossil Bluff, Alexander Island. Antarctic Peninsula, Alexander Island

100m SE of whaling station; terns nesting nearby. Inside old whaling tanks. Alt.10-20m. N-NE of whaling station, Whalers bay, Deception Island. South Shetland Islands

In pool surrounded by Rostkovia magellanica, Alt. 600 ft. South slopes of Mt. William, west of , Port Stanley, East Falkland Islands. Falkland Islands

Fuegia occidentalis, Fjordo Martinez, Bahia Pluschow, in palude aperto. South America, Chile

South-facing slope, Alt. c. 600 ft. Summit of peak overlooking Farewell Point, Bird Island. South Georgia

On quartz-mica-schist boulders and stones, Alt. c. 100 ft. Behind the BAS station, Borge Bay, Signy Island. South Orkney Islands

Amongst tundra, moist, stony, east-facing 10 deg. slope, Alt. 150 ft. Behind beach, between Esmark Glacier and Holmstrand Peninsula. South Georgia

On moss and soil in hollow on south-west facing scree slope, Alt. 60 m. Above Hope Point, Cumberland East Bay. South Georgia

Al borde del arroyo, en bosque de Nothofagus betuloides con Drimys winteri. Alt. 100-200 m. Provincia Magallanes, Depto Ultima Esperanza, Margen Occidental de Puerto Toro. Cercanias del glaciar del Cerro Balmaceda. South America, Chile

Crevices of moist rocks near waterfall, Alt. 25 ft. Jumbo Cove. South Georgia

80cm deep in sediment core from deepest part of lake (7.5m depth). Alt. 200 m. Parochlus Lake. South Georgia