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On margins of melt pools, Alt. 150 m. Walker Point, Elephant Island. South Shetland Islands

Flushes and wet hollows, Alt. 30-50 ft. Lynch Island. South Orkney Islands

83 m above Argentinian station (Almirante Brown), Paradise Bay. Antarctic Peninsula, Danco Coast

Wet slopes and hollows, Alt. 30-50 ft. Lynch Island. South Orkney Islands

Wet runnels dominated by Drepanocladus, Alt. c. 25 ft. Bank behind BAS station, eastern shore of Factory Cove, Signy Island. South Orkney Islands

Rostkovia bog, Alt. 50 ft. Tonsberg Point, near Husvik, Stromness Bay. South Georgia

Cliff above shore. Alt. 1 - 2 m. Sealers Cove. Falkland Islands

Isolated on top of rocks, Alt. 100 m. Metchnikoff Point, Brabant Island. Antarctic Peninsula

Rocky summit, ?Bird perch, Alt. 100 m. Metchnikoff Point, Brabant Island. Antarctic Peninsula

On rocks just above high water mark, Alt. 1 m. Bay to N of Sandebugten, Barff Peninsula, Cumberland East Bay. South Georgia

On sheep mandible on hillside above rockhopper penguin and black-browed albatross colony . Alt. 70 m. East of The Neck. Falkland Islands

Sheep bones in pasture. Alt. 5 m. Settlement above Sealer Cove, Saunders Island. Falkland Islands

Rocks used as a skua perch. Alt. 5-10 m. North side of Leonie Island. Antarctic Peninsula

Rock on summit ridge. Alt. 1616 m. Mt. Wasilewski. Antarctic Peninsula

On large blocks of glassy tuff near summit of hill. Alt. 165m. Hill on S side of St. Martha Cove, James Ross Island. Antarctic Peninsula

Rock crack. Alt. 812 m. Exposed mountain ridge, Pillow Knob, Pensacola Mountains. Antarctica, Scotia Sector

On moss in moist melt channels. Alt. 8-10 m. Edmonson Point North, Victoria Land. Antarctica, Ross Sector

On lava stone. Alt. 25 m. North Valley, Edmonson Point, Victoria Land. Antarctica, Ross Sector

Dry cinder stones. Alt. 35-40 m. Middle terrace of North Valley, Edmonson Point, Victoria Land. Antarctica, Ross Sector

On pumice stones amongst gravel. Alt. 30 m. North Valley, Edmonson Point North, Victoria Land. Antarctica, Ross Sector

On dead Ceratodon purpureus. Alt. 20m. Whitney Point, Clark Peninsula. Budd Coast. Antarctica, Wilkes Sector

On rock, Alt. 35-80 m. North-facing rocky slope on north-side of Lagotellerie Island. Antarctic Peninsula, Fallieres Coast

Moist moss (Grimmia antarctici) and sandy soil, Alt. 50m. Browning Peninsula, W side. Budd Coast. Antarctica, Wilkes Sector

To north of Samuel Islands, Alt. 20-150 ft. South Georgia

On undersurface of boulder forming 'roof' of sheltered rock niche, Alt. 200 m. East-facing slopes of Mont Branca, West of Port Alfred, Possession Island. Crozet

En pantano litoral. Provincia Magallanes, Depto Ultima Esperanza, Puerto Toro, Orillas del Seno. South America, Chile

En talud costero en la ladera SW del Cerro Balmaceda. Provincia Magallanes, Depto Ultima Esperanza, Bahia Bellavista. South America, Chile

On dry rock near stream, Alt. 80 m. Beside the waterfall, east of Pt. 193, in the valley south of Pointe du "Bougainville", Possession Island. Crozet

On peat in Phylica wood, Alt. 150 m. West of Pointe de l'Eboulement. Amsterdam Island

Growing in Azorella cushion, Alt. 120 m. Plateau between Riviere du Camp and Crique du Sphinx, 1 km west of Pt.114, Possession Island. Crozet

Near established skua nest near end of active NW fissure on Lucifer Hill, Candlemas Island. South Sandwich Islands

Near sulphur-emitting vent below very active vent area at base of shallow gully just above Clinker Gulch. Lucifer Hill, Candlemas Island. South Sandwich Islands

Smaller vents c. 20 to side of very active vent area at base of shallow gully just above Clinker Gulch. Lucifer Hill, Candlemas Island. South Sandwich Islands

1 m below fumarole (fumarole F) in complex active area around the southern crater lip access point. Alt. 150 m. Bellingshausen Island. South Sandwich Islands

On dead dry tussock grass base overhanging rock face. Alt. 3 m. Hillock behind manager's villa, Husvik whaling station. South Georgia

In crevice. Alt. 818 ft. Moubray Hill. Campbell Island

In damp sheltered situation in rata forest. Sea level. Waterfall Inlet, NW corner of Auckland Island. Auckland Islands

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

On bone, Alt. 70 ft. Site of old base hut, Borge Bay, Signy Island. South Orkney Islands

On large erratic boulder in Rostkovia bog, Alt. 10 m. Between Dartmouth Point and Harker Glacier, Cumberland East Bay. South Georgia

On rock. cliffs south of Chimaera Flats, Candlemas Island. South Sandwich Islands

On mortar of buildings in ruins of whaling station. Alt. 3 m. Whalers Bay, Deception Island. South Shetland Islands

On marble banded schist near high water mark. Alt. 0-0.5 m. South side of Foca Cove, Signy Island. South Orkney Islands

Dry schist stones close to prion nest, Alt. 85 m. North side of Rusty Bluff, Signy Island. South Orkney Islands

Dry rock, Alt. 300 m. Reptile Ridge. Middle windscoop, Adelaide Island. Antarctic Peninsula, Loubet Coast

Rocky knoll with gulls above. Alt. 5 m. Ocoa Point Byers Peninsula, Livingston Island South Shetland Islands

On sheep bone. Alt. 5 m. Port Egmont. Falkland Islands

Schist bands in limestone outcrop. Alt. 10 m. Above Mirounga Flats, Signy Island. South Orkney Islands

On dry boulder. Alt. 70 m. Moraine hill at SE corner of area, Ares Oasis, Alexander Island. Antarctic Peninsula, Alexander Island

Lower damp sides of small stones at bottom of north-facing scree slope, Alt. c. 15 ft. above beach, near Scar Hills, south, northern side of Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast