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In cracks on south-west facing cliff, Central Read Mountains, Shackleton Range. Antarctica, Scotia Sector

On stones in solifluction stripes. With Usnea sulphurea, Pseudephebe minuscula,Umbilicaria decussata, Buellia soredians. Alt. 50m. SSSI area, E of melt lake, Bailey Peninsula. Budd Coast. Antarctica, Wilkes Sector

On scree slope. Alt. 20 m. Mountain ridge called Cytadela, Golden Cove, Ezcurra Inlet, Admiralty Bay, King George Island. South Shetland Islands

On ledge, Alt. 1800ft. On N facing rib, Thurston Island, Eights Coast Antarctica, Byrd Sector

On moribund moss and gravelly soil on quartz-biotite. Alt. 100 m. Ridge above plateau, Harrow Peaks, Victoria Land. Antarctica, Ross Sector

Sheltered rock near base of slabs. Alt. 90-100m. Haupt Nunataks. Budd Coast. Antarctica, Wilkes Sector

On dry flat rocky ground. Striation/Moutonnee summit/Flatiron. Antarctic Peninsula, Alexander Island

Dry rocks on raised beach near old hut. Alt. 3 m. Blaiklock Island. Antarctic Peninsula, Loubet Coast

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

On granite intrusion, In damp crevices of SW facing rocks. Alt. 375 m. Nunatak on Jason Peninsula, Oscar Coast, Larson Ice Shelf. Antarctic Peninsula, Oscar II Coast

On Schistidium antarctici. Alt. 25-30m. SSSI area, hill overlooking Brown Bay, Bailey Peninsula. Budd Coast. Antarctica, Wilkes Sector

Moist shaded crevices and beneath stones. Alt. 90-100m. Haupt Nunataks. Budd Coast. Antarctica, Wilkes Sector

Moist stones and rocks in shaded crevices. Alt. 50m. Browning Peninsula, W side. Budd Coast. Antarctica, Wilkes Sector

On boulders in scree. Alt. 120m. Between Adelie colony and foot of cliffs, Cockburn Island. Antarctic Peninsula

Vertical crack in granite; aspect S, Alt. 7900ft. Mt. Chapman, Whitmore Mountains, Ellsworth Land. Antarctica, Byrd Sector

On W facing horizontal ledge containing some gypsum, Alt. 2415m. Mt Woollard, Ellsworth Land. Antarctica, Byrd Sector

On tiny ledges on crevices on 3ft high wall, facing east, Alt. 2025 ft. Ridge starting at 2000ft rising to 4500ft, Southern of Engle Peaks main east ridges. Antarctic Peninsula

Dry boulders. Alt. 35 m. Edmonson Point, Victoria Land. Antarctica, Ross Sector

Dry rocks near Adelie penguin colony above lake. Alt. 30 m. Edmonson Point, Victoria Land. Antarctica, Ross Sector

On small rocks, lying below surface, north-south facing basic dyke, Alt. 5825 ft. Next outcrop to west of small knoll, east of Welch Mountains. Antarctic Peninsula

Facing east in a crack between outcrops, Alt. 5625 ft. The eastern outcrop of the low ridge running east-west, from 'Mount Norohill', east of Welch Mountains. Antarctic Peninsula

Forming small "rosettes" on lava boulders. Alt. 30 m. North Valley, Edmonson Point North, Victoria Land. Antarctica, Ross Sector

On decaying lava on large boulders. Alt. 30 m. North Valley, Edmonson Point North, Victoria Land. Antarctica, Ross Sector

On stones in moist gully. Alt. 30 m. North Valley, Edmonson Point, Victoria Land. Antarctica, Ross Sector

Dry rocks in area of snow petrel colony. Alt. 150-200 m. Harrow Peaks, Victoria Land. Antarctica, Ross Sector

Fine soil amongst moss, Alt. 200 m. North end of Active Sound, Joinville Island. Antarctic Peninsula

Common on rocks, especially moist shaded faces, with Rhizoplaca aspidophora (?). Alt. 5-30 m. Rothera Point, Adelaide Island. Antarctic Peninsula

In hollow amongst outcrop in south side, Alt. 4250 ft. Major ridge running from 2300ft. to 4400ft. north Engle Peaks. Antarctic Peninsula

In deep cleft in outcrop on north side of ridge, Alt. 4200 ft. Major ridge running from 2300ft. to 4400ft. north Engle Peaks. Antarctic Peninsula

On granite boulderson edge of late snow bed. 300-500 m further up morainethan RILS 9654. Upper moraine of Tinker Glacier-Burns Glacier, Victoria Land. Antarctica, Ross Sector

Dry rock surfaces, esp. on bird perch (tern) rocks. Alt. 10-50m. E side Lachman Crags, James Ross Island. Antarctic Peninsula

On Schistidium on pebble knoll. Alt. c. 30m. SSSI area, above ice field, Bailey Peninsula. Budd Coast. Antarctica, Wilkes Sector

On penguin tail feathers. Alt. 30m. Bailey Peninsula. Budd Coast. Antarctica, Wilkes Sector

Small stones in crevices. Alt. 1200 m. Sky-Blu. Antarctic Peninsula

On massive sandstone boulders. Alt. 150 m. Mars Oasis, Alexander Island. Antarctic Peninsula, Alexander Island

Dry stone stripe with periodic melt, with Andreaea sp. Alt. 100 ft. Moraine Valley, Signy Island. South Orkney Islands

Dry rock surfaces, with Usnea sphacelata. Alt. 15-30m. E side Lachman Crags, James Ross Island. Antarctic Peninsula

Alt. 50-150m. Cathedral Crags above Fildes Point to NE of Neptunes Window. Deception Island. South Shetland Islands

Large north-facing rocks,especially undersides, Alt. 35m. Claude Point, Brabant Island. Antarctic Peninsula

On stones on bare weathered surface of old basaltic lava flow, Alt. 100-200 ft. Away from fumaroles, north of western lagoon Candlemas Island. South Sandwich Islands

Stony knolls with Giant petrel nests, on stones, Alt. c. 200 ft. Below ice-cap, SW region of Candlemas Island. South Sandwich Islands

On stone. Alt. 50m. Moraine Valley, Signy Island. South Orkney Islands

Dry rock. Alt. 30 m. Skilling Island, SE side; Robertson Islands. South Orkney Islands

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

Boulder near skua nest, Alt. 200 m. "Reptile Ridge" south end of Adelaide Island, Fallieres Coast. Antarctic Peninsula, Fallieres Coast

On ash slopes, Alt. 50 ft. South-west of Neptunes Bellows, Deception Island. South Shetland Islands

Edge of Drepanocladus mat, Alt. 8 m. South side of Vietor Rock, South Beaches, Byers Peninsula, Livingston Rock. South Shetland Islands

On dry quartz-mica-schist boulder, Alt. 50 ft. Near Drying Point, Borge Bay, Signy Island. South Orkney Islands

Lying amongst loose stones on the north-facing ridge, Alt. 340 ft. The northern 'hump' or Nunatak of Camel Nunataks. Antarctic Peninsula

Vertical north-facing slope, Alt. 19-20 m. South side of east-west central cliffs, Cormorant Island, Danco Coast. Antarctic Peninsula, Danco Coast