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On Grimmia, Alt. 100 ft. East slopes of Robin Peak, Signy Island. South Orkney Islands

On Xanthoria sp. Top of Wensleydale cliff. Flat or slightly E face. Alt. 30m. Wensleydale. Deception Island. South Shetland Islands

On dry schist outcrop. Alt. 250 m. Peak "253", NW of summit of Snow Hills, Signy Island. South Orkney Islands

Frequent on Drepanocladus uncinatus with various crustose lichens, Coppermine Cove, Robert Island. South Shetland Islands

West facing, exposed dry rock, Alt. 15 m. Rothera Point, Adelaide Island. Antarctic Peninsula, Loubet Coast

Dry upper surface of large rocks, Alt. c. 400 ft. at summit of slope above small penguin rookery, at western end of Lake Boeckella, Trinity Peninsula. Antarctic Peninsula, Trinity Peninsula, East Coast

On upstanding rocks above general washed area in dry situations, Alt. 135 ft. Flat area on south side of Lake Boeckella, Hope Bay. Antarctic Peninsula, Trinity Peninsula, East Coast

On wood of wrecked boat, Alt. 10 ft. Drying Point, Signy Island. South Orkney Islands

On dead moss. Alt. 85m. Deep E facing canyon, E side of Terrapin Hill, James Ross Island. Antarctic Peninsula

In small cleavages in vertically situated slate-like rock, much snow between the rocks, Alt. 4700 ft. Summit of ridge running north, eastern area of Giannini Peak. Antarctic Peninsula

On rocks, Natriss Point, Saunders Island. South Sandwich Islands

On rock. Alt. 50 m. Cape Flannery, Southern Thule. South Sandwich Islands

On moss, on dry sandy rock terraces. Alt. 130 m. North end of Kay Island, Wood Bay, Victoria Land Antarctica, Ross Sector

Alt. 1200 m. Mt. Hirman, Behrendt Mts, Ellsworth Land. Antarctica, Scotia Sector

Settled in wet depression, Alt. 7200 ft. North-south ridge, Mount Jackson area. Antarctic Peninsula

In ledges and small cracks in light-coloured outcrop, facing north-west, Alt. 7000 ft. North-south ridge, Mount Jackson area. Antarctic Peninsula

Dry stones and rock. Alt. 28 m. SSSI, Rothera Point, Adelaide Island. Antarctic Peninsula

On grey lava feldmark. Alt. 500 m. Long Ridge, Marion Island. Prince Edward Islands

Facing south on a flat sloping rock, amongst loose rock and snow, Alt. 3750 ft. A mile long ridge running north-west to south-east, south of Bingham Glacier. Antarctic Peninsula

Flat, low rock on north side of eastern summit, Alt. 3675 ft. A 0.75 mile ridge running south-east, then south and back to south-east, south of Bingham Glacier. Antarctic Peninsula

Facing south nestled in small crack in large boulder, Alt. 3650 ft. Minor ridge running east-west, south of Bingham Glacier. Antarctic Peninsula

Facing north in a damp 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

On narrow ribs in rocks sloping 30 deg to west, Alt. 5550 ft. North-south facing, low outlying ridge to the east of Welch Mountains. Antarctic Peninsula

In the upright (60 deg.) schist flakes, green when collected, Alt. 5750 ft. Ridge running west from small knoll to summit, to the east of Welch Mountains. Antarctic Peninsula

In the cracks (on top) made by the darker schist, Alt. 5750 ft. Ridge running west from small knoll to summit, to the east of Welch Mountains. Antarctic Peninsula

Low 9" high outcrop facing west, not seen on outcrops over 3ft. high, Alt. 5650 ft. The western ridge of Hall Ridge. Antarctic Peninsula

Lying in little ledges in the schistosed rock, Alt. 4350 ft. Flat broad ridge, Engle Peaks. Antarctic Peninsula

Lying on loose rock on crest of ridge, Alt. 7600 ft. Eastern outcrop on second ridge north of Davis ridge, running east from Mount Jackson. Antarctic Peninsula

On a rock plateau, facing east on an outcrop ridge, Alt. 2600 ft. Ridge running west-east on north of Murrish Glacier. Antarctic Peninsula

Loose rock amongst snow, north side of summit, Alt. 5000 ft. Summit at the end of ridge running north-east, Giannini Peak. Antarctic Peninsula

Lying on west side of broken low-profile ridge, partly snow covered rocks, Alt. 4600-4650 ft. Ridge running north-south, c.0.25 mile long. Antarctic Peninsula

In basic rock in a crevice, no light, ice on part of the lichen, Alt. 3800 ft. North summit on the east side of the Guard Glacier ridge. Antarctic Peninsula

Eaton Nunataks, Merrick Mountains, Ellsworth Land Antarctic Peninsula

Alt. 1050 m. Hauberg Mountains, Novocin Peak, Ellsworth Land Antarctic Peninsula

Exposed rock surface. alt. c. 1450 m. Un-named nunatak east of Mount Sullivan. Antarctic Peninsula

Un-named nunatak. Lichen on exposed rock surface. Alt. 1900 m. approx. Antarctic Peninsula

Lying amongst open exposed rock on the mountain summit, Alt. 4400 ft. The north and western summit of Stockton Peak. Antarctic Peninsula

In fissures in coarse-grained rock of dry sandy rock terraces. Alt. 130 m. North end of Kay Island, Wood Bay, Victoria Land Antarctica, Ross Sector

In 1" crack, vertical, facing south-east,outcrop 4 ft. hugh, Alt. 5900 ft. Next outcrop to west of small knoll, east of Welch Mountains. Antarctic Peninsula

Fissures in quartz crystalls. Alt. ca. 1500 m. Sky-Hi Nunatak. Antarctic Peninsula

In scoup on outcrop, south side of summit, Alt. 6100 ft. Ridge running west from small knoll to summit, to the east of Welch Mountains. Antarctic Peninsula

On flat surface, north side of rock ridge, of loose rocks and outcrops,ascending to 8000 ft. Alt. 7100 ft. Ridge, first ridge north of Davis ridge, running East from Mount Jackson. Antarctic Peninsula

On sides of loose stones sheltered in crevices , Alt. 2600 ft. On the south-west side of the south ridge of Mount Hill. Antarctic Peninsula

Along flaws in the rock, and right angle small crevices on south-east side, Alt. 2600 ft. On north-east ridge of Mount Hill. Antarctic Peninsula

In small cracks and ledges on light coloured rock, Alt. 4700 ft. Summit above spur,before ridge starts, south side of Dana Glacier. Antarctic Peninsula

Exposed dry ridge crest. Alt. 582 m. North end of exposed ridge, Ablation Col. Antarctic Peninsula, Alexander Island

Broken conglomerate/sandstone. Alt.405 m. Ridge descending from Himalia Ridge into Jupiter Glacier. Antarctic Peninsula, Alexander Island

Alt. 1145m. Novocin Peak, Hauberg Mountains, Ellsworth Land Antarctic Peninsula

Alt. 1400 m. Sweeney Mountains, Ellsworth Land Antarctic Peninsula

Alt. 1200 m. Haag Nunataks, (west) Ellsworth Land Antarctica, Scotia Sector