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On moss turf (Ceratodon purpureus) and stones. Alt. 85 m. Harrow Peaks, Victoria Land. Antarctica, Ross Sector

Bog at Jenny's Watron, the settlement Plain. Tristan da Cunha

Grassy earth bank near centre of station. Alt. 2 m. Grytviken whaling station. South Georgia

On dry exposed stones, Alt. 290 m. La Grotte du Geographe, Possession Island. Crozet

Ledge of moist, shaded cliff above stream. Masafuera, Quebrada Vacas. Juan Fernandez

Chile, Prov. de Nuble, Recinto, Las Trancas, El Purgatorio, ad catharractarum 1200 m.s.m. South America, Chile

Fuegia occidentalis, Isla Dawson, Puerto Valdez, ad lapides in rivulo. South America, Chile

On rock in stream. Alt. c. 200 ft. Cortaderia heath and sandstone outcrops along stream in valley SW of Mt. Usborne, East Falklands. Falkland Islands

Submerged in stream. Alt. c. 50ft. Near Hansen Point, Leith Harbour, Stromness Bay. South Georgia

Submerged in stream. Alt. 100 ft. In corrie to east of Jordan Cove, overlooking Shoemaker Point, Bird Island. South Georgia

To south of Cape Rosa. Alt. 100-400 ft. South Georgia

Headland to south of Leith Harbour. Alt. 50-400 ft. South Georgia

In running water at bottom of deep gully, Alt. 150 ft. South side of Brown Mountain, Cumberland East Bay. South Georgia

Chubut, Lago Futalaufquen. South America

On rock under small waterfall. Alt. 100-300 ft. Hebe scrub near The Waterfall, Westpoint Island, West Falklands. Falkland Islands

Alt. 10-20 m. Moe Island, off Signy Island. South Orkney Islands

Swampy ground, Alt. 50 ft. Promontory on SW coast below John Peaks, Powell Island. South Orkney Islands

In stream at outlet of lake. Alt. 30m. Emerald Lake, Cummings Cove, Signy Island. South Orkney Islands

Moist mineral soil in late snow patch hollow. Alt. 65 m. Moraine Valley, Signy Island. South Orkney Islands

Wet rocky/stony ground and in rock crevices. Cape Primavera. Antarctic Peninsula, Danco Coast

Moist gravelly slopes and plateau. In wet depression with Drepanocladus. Alt.80m. S Monroe Island. South Orkney Islands

Swamp, Alt. c. 75 ft. North-east of Lenton Point, near Gourlay Peninsula, Signy Island. South Orkney Islands

On very moist gravel sheltered by boulders, just below small marble outcrop, north-east-facing, Alt. c.50 ft. South-west corner of lake 2 in Three Lakes Valley, Signy Island South Orkney Islands

In wet hollow on slope behind base, Alt. 25 m. Station, Signy Island. South Orkney Islands

Margin of small stream. Alt. 20 m. Knife Point, Signy Island South Orkney Islands

Moist soil amongst boulders. Alt. 3m. Slope behind BAS station, Factory Cove, Signy Island. South Orkney Islands

In crevice of cliff. Summit of Lyall ridge. Campbell Island

On humus base of Bulbinella. SE slope of St. Col Ridge (700-800 ft.). Campbell Island

On small stone under dry rock overhang, Alt. 190 m. Ridge west of Pt. 196 opposite Rocher Pyramidal, north side Baie Americaine, Possession Island. Crozet

Macdonald Island. Heard Island

On rocks, Alt. 0 m. Cliffs on south side of Crique de Chaloupe, Possession Island. Crozet

Feldmark. Alt. 150 m. Grey lava, west of Prince Edward Island. Prince Edward Islands

Feldmark, exposed. Alt. 50 m. South of Cave Bay, Prince Edward Island. Prince Edward Islands

In stones in stream on east-facing scree, Alt. 100 m. North-west side of Esbensen Bay. South Georgia

On rocks at high water mark, Alt. 0 m. Low promontory just south of Leith Whaling Station, Stromness Bay. South Georgia

Underhang on cliff face, Alt. 15 ft. West side of Berntsen Point, Borge Bay, Signy Island. South Orkney Islands

On stones in stream by penguin rookery, Alt. 30 m. 1 km inland of beach, Moltke Harbour, Royal Bay. South Georgia

In tidal zone on basalt rocks. Alt. 2 m. Emerald Point, Cardozo Cove, Ezcurra Inlet, Admiralty Bay, King George Island. South Shetland Islands

Near shoreline. Alt. 5-25m. NW side, Pinero Island. Antarctic Peninsula

Upper surface of rock, on 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

On boulders in stream. Alt. 150 m. Main stream from upper to lower moraines, Mars Oasis, Alexander Island. Antarctic Peninsula, Alexander Island

Rocks near suka nest above "Adelie Lake". Alt. 30 m. Edmonson Point, Victoria Land. Antarctica, Ross Sector

On stones and boulders. Alt. 100-125 m. Cape King, Victoria Land. Antarctica, Ross Sector

All open surfaces of dry rock, Alt. c. 50 ft. south-east ridge of Alectoria Island, Prince Gustav Channel. Antarctic Peninsula, Trinity Peninsula, East Coast

On smaller stones between rocks in damper situations, Alt. 300 ft. above small penguin rookery on slope of western end of Lake Boeckella, Trinity Peninsula. Antarctic Peninsula, Trinity Peninsula, East Coast

West side of nunatak, west-facing slope, dry environment, sunny exposure out of wind, Alt. 750 m. Lully Foothills, Alexander Island. Antarctic Peninsula, Alexander Island

Rock face below snow petrel nests. Alt. 50m. Browning Peninsula, W side. Budd Coast. Antarctica, Wilkes Sector

In a very thin vertical crack,moist, in 12" high ENE facing wall, Alt. 3275 ft. Ridge starting at 2000ft rising to 4500ft, Southern of Engle Peaks main east ridges. Antarctic Peninsula

On dry north-facing boulder near bird perches, Alt. 30 m. Just south of Dartmouth Point, Cumberland East Bay. South Georgia

In sheltered crevices on south side, Alt. 2000-2500 ft. Large nunatak, Wilkins Coast. Antarctic Peninsula, Wilkins Coast