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On rock surface, Alt. 500 m. North-west of Labourage et Paturage, Possession Island. Crozet

On dry bank of stream, Alt. 260 m. Beginning of southern tributary of the river leading to Crique de la Chaloupe, north of Grotte du Geographe, Possession Island. Crozet

In Racomitrium/Blechnum association on dry ground, Alt. 180 m. Near stream forming southern tributary of river leading to Crique de la Chaloupe, north of point midway between Grotte du Geographe, and Le Donjon, Possession Island. Crozet

On dry bank in association with Racomitrium, Alt. 120 m. Rock outcrops at top of northern banks of Crique de Noel, Possession Island. Crozet

On sheltered wet rock ledge, Alt. 620 m. Centre of Plateau de Petrels, towards summit, Possession Island. Crozet

On soil on stream bank, Alt. 120 m. Valley west of Pump House south of base, Possession Island. Crozet

Wedged between stones on river bank, Alt. 10 m. Near hut by mouth of Moby Dick Riviere, Baie Americaine, Possession Island. Crozet

On small stones at base of large boulder, Alt. 80 m. South facing slopes, north side Vallee des Branloires, 1.5 km from the beach, Possession Island. Crozet

Forming deep cushions on riverbank, Alt. 20 m. Banks of Moby Dick Riviere, 2 km from sea, Baie Americaine, Possession Island. Crozet

On moderately exposed rock surface, Alt. 210 m. Ridge running west from Pt. 196, opposite Rocher Pyramidal, Possession Island. Crozet

On moist sheltered peat, Alt. 100 m. Plateau between valley leading to Crique de Noel and Malpassee Riviere, Possession Island. Crozet

Forming balls on stoney fell-field, Alt. 200 m. Southern slopes of Mt. Branca, Possession Island. Crozet

In flush at streamside, Alt. 220 m. Stream south of Mont Branca, near peak '193'm., Possession Island. Crozet

On dry sheltered rock at streamside, Alt. 220 m. Stream south of Mont Branca, near peak '193'm., Possession Island. Crozet

On dry sheltered rock surface, Alt. 240 m. Slope west of junction of Malpasee rivers; northern branch and Malpasee River, Possession Island. Crozet

On dry exposed rock surface, Alt. 240 m. South-facing slope of Malpasee river's northern tributary, Possession Island. Crozet

At streamside, Alt. 180 m. Head of valley, east of Mont Branca, Possession Island. Crozet

On peat between rock fissure, Alt. 100 m. Valley leading to dam and pump house, south of base, Possession Island. Crozet

Moist clay depressions in "hummock and hollow" systems of Festuca grassland, Alt. c. 12 m. Hestesletten, Cumberland East Bay. South Georgia

On Leptogium puberulum. Alt. c.400m. Plateau, Cockburn Island. Antarctic Peninsula

On moist moss. alt. 5 m. Omega Island, Melchior Islands. Antarctic Peninsula

Dry gravelly areas amongst herbage, Alt. 20 ft. North shore of Brenton Loch, Near Darwin, Falkland Islands. Falkland Islands

At limit of scrub. Alt. 1000 ft. Auckland Islands

On dry substrate, Alt. 1300 ft. Ceritos rocks, Falkland Islands. Falkland Islands

On rocks 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

On igneous boulder. Alt. 3000 m. Paramos La Negra above the town of Bailadores, Distrito Rivas Davila, Venezuela. South America, Venezuela

Dry gravelly soil. Alt. 15 m. Edmonson Point, Victoria Land. Antarctica, Ross Sector

On coastal rocks above spray zone, Alt. 25 ft. Point at NW entrance of Sea Leopard Fjord. South Georgia

Sunny, north-facing stony bank, Alt. 50ft. Between Observation Bluff and Polynesia Point, Signy Island. South Orkney Islands

Bare disturbed soil, Alt. 20 ft. Above shore south-west Factory Cove, Signy Island. South Orkney Islands

Fine soil in damp north-facing scree, Alt. 100 ft. South-west of Factory Cove, Signy Island. South Orkney Islands

Basic soil among scree on gentle north-facing slope, Alt. 100 ft. South-west of Factory Cove, Signy Island. South Orkney Islands

Fines between stone stripes facing north-west, Alt. 200 ft. Factory Cove, Signy Island. South Orkney Islands

Soil polygon borders, Alt. 250 ft. Outcrop between streams running from Moss Lake, Signy Island. South Orkney Islands

Marble debris, Alt. 90 ft. Ridge north-east of Thulla Point, Signy Island. South Orkney Islands

On amphibolite debris, Alt. 50 ft. East side of Olivine Point, Coronation Island. South Orkney Islands

Colonising bare soil, Alt. 50-100 ft. Meier Point, Coronation Island. South Orkney Islands

Alt. 50 m. Moe Island, off Signy Island. South Orkney Islands

Moist crevices and ledges above shore, Alt. 1.5-2m. Shingle Cove, Coronation Island. South Orkney Islands

Moist rock ledge above shore on N side of island, Alt. 1.5-2m. Lynch Island. South Orkney Islands

Dry(ish) in exposed cracks in rocks, Alt. 35 m. N face Sayer Nunatak, Livingston Island. South Shetland Islands

On seepage. Alt. 15 m. Torinosu Cave, Skarvsnes. Antarctica, Enderby Sector

From Azorella trufts. Macdonald Island. Heard Island

On fine dry silty soil amongst stones. Alt. 60m. Hill to S of St Martha Cove. James Ross Island. Antarctic Peninsula

Gravelly granitic soil at edge of late snow bed. 300-500 m further up moraine than RILS 9564. Upper moraine of Tinker Glacier-Burns Glacier, Victoria Land. Antarctica, Ross Sector

Dry soil on gravelly ground. Alt. 30m. Cape Lachman, James Ross Island. Antarctic Peninsula

Dry soil amongst rocks. Alt. 30m. E side Lachman Crags, James Ross Island. Antarctic Peninsula

Pockets of moist soil. Alt. c.450m. Summit, Cockburn Island. Antarctic Peninsula

On pockets of moist soil below boulders. Alt. 120m. Between Adelie colony and foot of cliffs, Cockburn Island. Antarctic Peninsula

On dry soil adjacent to stones with Caloplaca and ?Lecanora. Alt. 25m. 0.5km W of Cape Wiman, Seymour Island. Antarctic Peninsula