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Cliff face, Alt. 300 ft. Paal Harbour, Signy Island. South Orkney Islands

On block scree on S facing slope, probably never receiving direct sunshine,overlooking Hamburg Glacier. Alt. 690-695m. c.10-15m below "Summit 706m", E of Swinhoe Peak. South Georgia

Rocks where melt water trickles down on N facing rock slope. Alt. 50m. SSSI area, hill overlooking Brown Bay, Bailey Peninsula. Budd Coast. Antarctica, Wilkes Sector

In crevices on north side of rock ridge of loose rocks and outcrops, ascendingto 8000 ft. Alt. 7200 ft. Ridge, first ridge north of Davis ridge, running East from Mount Jackson. Antarctic Peninsula

Amongst Festuca erecta at foot of cliff, Alt. 200 ft. West Point, Jason Harbour. South Georgia

In particularly wet sites in montane forest. Alt. 500 ft. Puerto Celular, Bahia York. South America, Tierra del Fuego

Bivouac Saddle. Alt. 1650 ft. Auckland Islands

Salt spray complex. Alt. 10 m. East Cape, Marion Island. Prince Edward Islands

Rocks above high water mark, Alt. 1-2 m. Near cave in Poa Cove, Maiviken. South Georgia

Alt. c. 5 ft. To west of Ryan Glacier, by shore. South Georgia

On granitic-dioritic rock, Alt. 0-0.5 m. Forming a black band about 50 cm wide, North west side of Andree Island, Charlotte Bay. Antarctic Peninsula

In pools beneath snow patch, Alt. 10 ft. 15 yards south-west of Waterpipe Beach, Borge Bay, Signy Island. South Orkney Islands

Meltwater flows, Alt. 10 ft. East side of Galindez Island, Argentine Islands, Graham Coast. Antarctic Peninsula, Graham Coast

All aspects of high rocks, Alt. 100 m. Metchnikoff Point, Brabant Island. Antarctic Peninsula

Boulders in block scree. Alt. 140 m. Saddle on centre of Reptile Ridge, Adelaide Island. Antarctic Peninsula, Loubet Coast

On cobble-paved raised beach, Alt. 50 ft. East coast of Jenny Island, Laubeuf Fjord. Antarctic Peninsula, Fallieres Coast

Dry rocks at west end of North Beach. Alt. 3 m. Rothera Point, Adelaide Island. Antarctic Peninsula, Fallieres Coast

Shaded underside of boulder in scree. Alt. 30 m. North side of Leonie Island. Antarctic Peninsula

On top of large bluff of diorite in boulder field, Alt. 800ft. Pelter Bluff, McNamara Island, Eights Coast. Antarctica, Byrd Sector

Small hollows amongst outcrops on the crest, Alt. 4375 ft. Major ridge running from 2300ft. to 4400ft. north Engle Peaks. Antarctic Peninsula

Alt. 2000 ft. Nunatak below W side of Mt. Gaudry, Adelaide Island. Antarctic Peninsula, Fallieres Coast

South facing, scree slope, Alt. 25-250 ft. above shelf ice, 8 miles NE of Caution Point, Oscar II Coast. Antarctic Peninsula, Oscar II Coast

Along flat, in hollows, along lip, under stones and other damp places, Alt. 4150 ft. Low spine running approx. west to east towards Stockton Peak. Antarctic Peninsula

Amongst loose rock on summit dome, also along the east and south-west ridges tothe summit, Alt. 3400 ft. North summit on the east side of the Guard Glacier ridge. Antarctic Peninsula

Lying in the shaded areas between broken angular rocks, flattish summit area, Alt. 2500 ft. A rounded summit on the east end of the ridge, north of Guard Glacier. Antarctic Peninsula

East of Steeple Peaks, Palmer Land. Antarctic Peninsula

On sheared mineralised basalt, 20 m. above glacier, Alt. 60 ft. north side of McCartney Ridge, ENE of Todd Glacier, Palmer Land. Antarctic Peninsula

Abundant on rocks and scree of crag. Alt. 905 m. Point 905, James Ross Ice Cap. James Ross Island, Trinity Peninsula. Antarctic Peninsula

E facing ridge, Alt. 600 m. N of Flask Glacier, Oscar II Coast. Antarctic Peninsula

On exposed rocky ridges at bottom of scree. Alt. 200 m. Western side of Dobson Dome. NW James Ross Island, Trinity Peninsula. Antarctic Peninsula

Numerous colonies, on SE-faces of rocks, away from prevailing wind, some still snow covered, also found on top of Belemnite Point, Alt. up to 500 m. Alexander Island. Antarctic Peninsula, Alexander Island

South of Mount Duemler, Alt. 1750 m. Wilkins Coast, Palmer Land. Antarctic Peninsula

On pebbles of former penguin rookery. Alt. 50m. SSSI area, Bailey Peninsula. Budd Coast Antarctica, Wilkes Sector

From behind large rock. Alt. 580 m. Ablation Col. Antarctic Peninsula, Alexander Island

On dry exposed ridge. Alt. 580 m. Ablation Col. Antarctic Peninsula, Alexander Island

On rocky outcrops adjacent to glacier. Alt.c. 500 m Upper Flatiron Valley, below Flatiron Col Antarctic Peninsula, Alexander Island

Exposed rock on summit. Alt. 1030 m. Astarte Horn, Alexander Island. Antarctic Peninsula, Alexander Island

Rock on exposed ridge. Alt. 830 m. Offset ridge, Alexander Island. Antarctic Peninsula, Alexander Island

Dry rocks near west end of North Beach. Alt. 3 m. Rothera Point, Adelaide Island. Antarctic Peninsula, Fallieres Coast

Stones on exposed summit. Alt. 640 m. South summit, Mariner Hill, Alexander Island. Antarctic Peninsula, Alexander Island

Exposed rocks and boulders. Alt. 700 m. Football Saddle, Victoria Land. Antarctica, Ross Sector

On rocky area just west of high point on ridge. Alt. 300 m. Ares Ridge, (north), Mars Glacier, Alexander Island. Antarctic Peninsula, Alexander Island

On large boulders. Alt. 175 m. Upper moraine area, Mars Oasis, Alexander Island. Antarctic Peninsula, Alexander Island

Fine scree Alt. 50 m. North side of Leonie Island. Antarctic Peninsula

S-facing crack in col orientated E-W exposed to winds, sunny for c. 14 hrs in mid December and from talus below Raveniven Peak. Alt. 1800 m. Rakenkniven, Filchnerfjella, Dronning Maud Land. Antarctica, Maud Sector

Viking Valley, Alexander Island. Antarctic Peninsula, Alexander Island

Ablation Col Headwall, Alexander Island. Antarctic Peninsula, Alexander Island

N-S sphinx stream flank. Fossil Bluff, Alexander Island. Antarctic Peninsula, Alexander Island

On sandstone rocks, Viking Valley. Antarctic Peninsula

Summit of rock point, associated with moss, very widespread, Alt. 100 m. 2nd Point south of Metchnikoff Point, Brabant Island. Antarctic Peninsula