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Stonington Island, Marguerite Bay. Antarctic Peninsula, Fallieres Coast

On marble rock and associated soil and mosses, Alt. 20 m. South end of Marble Knolls, near small un-named lake, Signy Island. South Orkney Islands

Rock faces and rocks used as bird perches. Alt. 3-35 m. North side of Leonie Island. Antarctic Peninsula

Dry lines of polygons, usually in small patches. Alt. 30m. 1 km E of Tumbledown Cliffs, James Ross Island. Antarctic Peninsula

On stones by mummified crabeater seal carcass. Alt. 165m. San Jose Pass, James Ross Island. Antarctic Peninsula

In minute fissures on vertical rock slabs facing E (towards prevailing wind). Alt. 50m. "Reeves Hill" Bailey Peninsula, Budd Coast. Antarctica, Wilkes Sector

On sea cliffs associated with bird colonies. Alt. 50-70m. S Monroe Island. South Orkney Islands

damp faces of boulders on steep north-facing scree slope, Alt. c. 150 ft. near Scar Hills South, northern side of Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast

Wood debris, Alt. 85 ft. Behind the BAS station, Factory Cove, Borge Bay, Signy Island. South Orkney Islands

On large boulders in block scree, used as bird perches and close to penguin rookery, Alt. 10 m. Shingle Cove, Coronation Island. South Orkney Islands

On micaceous quartzite rock. Alt. 38m. Hill at NW end of Gourlay Peninsula, Signy Island. South Orkney Islands

On marble outcrop and soil. Alt. 35m. Hill to N of Waterpipe Beach, Signy Island. South Orkney Islands

On soil and moribund moss, Alt. 10-25 m. Dismal Island, Faure Islands, Fallieres Coast. Antarctic Peninsula, Fallieres Coast

On stones. Alt. 125m. Spindrift Col (W side), Signy Island. South Orkney Islands

On soil. 100m SE of whaling station; terns nesting nearby. Common over beacharea of 2x0.5 km. Alt. 10-25m. E of whaling station, Whalers Bay, Deception Island. South Shetland Islands

Epiphytic on moss, damper areas especially below snow patches or along frost cracks. Much evidence of salt crystallisation. Cape Sastrugi. Antarctica, Ross Sector

El Salto, Rio Maullin, Puerto Montt, Llanquihue. South America, Chile

On exposed boulder of Paramo. Alt. 3800 m. Near the Laguna de Los Anteojos just below the Loma Redonda station, Sierra Nevada de Merida, Distrito Libertador, Venezuela. South America, Venezuela

In crevice of moist shade bluff. Alt. c. 3800 ft. Masafuera, near Camp Correspondencia. Juan Fernandez

On coarse gravel. Kay Island, Victoria Land Antarctica, Ross Sector

In microfissures on vertical faces of coarse pink granite. Snow petrel nestsnearby. Near summit of Reeves Hill, Bailey Peninsula. Budd Coast. Antarctica, Wilkes Sector

In sheltered gap between boulders with Buellia frigida. Alt. 10 m. Inexpressible Island. Antarctica, Ross Sector

On moss (Saconeurum glaciale). Alt. 100-125 m. Cape King, Victoria Land. Antarctica, Ross Sector

Alt. 15m. Whitney Point, Clark Peninsula. Budd Coast. Antarctica, Wilkes Sector

On scoria near skua perches and nest sites on wet flats around largest lake. Alt. 5 m. Edmonson Point South (unofficial name - 5 km south of Edmonson Point), Victoria Land. Antarctica, Ross Sector

On moss in rock boulders with sheathbill nests. Alt. 5 m. Southernmost corner of beach, Baily Head, Deception Island. South Shetland Islands

Fachine scrub. Chartres Horse Paddock, West Falkland. Falkland Islands

On moss in drainage gully, on outcrop. Gand Island Antarctic Peninsula, Danco Coast

In very dry, impoverished alpine Empetrum-heath. Alt. 1500-1900 ft. Mt. Piramide, Bahia Valentin. South America, Tierra del Fuego

Base of scree slope on the eastern side of Mount Duse. Alt. 1 m. King Edward Cove. South Georgia

Growing in a soil pit dug in 1972, 55 m from shore. Alt. 6 m. Marion Island. Prince Edward Islands

Moist sandy soil by stream with Plantago barbata, Callitriche. W coast Ten Shilling Bay Peninsula, Port Stephens, West Falkland Is. Falkland Islands

Limpet shell gull middens. Gand Island Antarctic Peninsula, Danco Coast

Just above the water level of a muddy stream bank, about 500 m from the shore. Alt. 10 m. Carlita Bay. South Georgia

In tufts on pebbles above high water mark. Hooker's Point, E of Port Stanley, East Falkland Is. Falkland Islands

Disturbed ground beside a gravel track outside the New Accomodation block. Alt. 4 m. Grytviken whaling station. South Georgia

Common, forming mats in open spaces among Cortaderia. alt. c. 150 ft. In horse paddock on hill behind manager's house, Port Stephens, West Falkland Is. Falkland Islands

Sandy peat soil over clay and sandstone. Alt. c. 250 ft. SE slopes of Calm Head, Ten Shilling Bay Peninsula, Port Stephens, West Falkland. Falkland Islands

Swampy ground, north-facing at the foot of a bluff, with Tortula. Alt. 20 m. Valley behind Husvik Whaling Station. South Georgia

On open, very wet, low ridge. Alt. 1000-1400 ft. On mountain, Puerto Hoppner at Bahia San Antonio. South America, Tierra del Fuego

On a perennial stream bank issuing from the Hydroelectric Power House. Alt. 3 m. Grytviken whaling station. South Georgia

In slow-moving water of creek. Burnside Creek at head of Darwin Harbour, East Falkland. Falkland Islands

Wet depressions among Cortaderia. Alt. c. 500 ft. Base of French Peaks behind settlement, Hill Cove, West Falkland. Falkland Islands

Wet Cortaderia grassland. 0.5 mile W of house, Carew harbour, Port Stephens, West Falkland. Falkland Islands

Common in rock crevices and ledges of dry sea cliffs. Bahia Liberty. South America, Tierra del Fuego

On ledges of conglomerate cliffs, among Perezia recurvata. W from settlement on W side of Foot Point, Hill Cove, West Falkland Is. Falkland Islands

Common on peaty, windswept, flat-topped knolls and ridges above the sea cliffs. Primera Bahia. South America, Tierra del Fuego

Common on the sandy isthmus at sea level separating the beach at sea line from the inland fresh water lake. Primera Bahia. South America, Tierra del Fuego

In rock crevices and ledges of dry sea cliffs. Sea level. Bahia Liberty. South America, Tierra del Fuego

In crevices of rock faces. Alt. c. 2150 ft. S slopes of summit of Mt. Usborne, East Falkland Is. Falkland Islands