Usnea Ridge () is a ridge at an elevation of 100–160 m, extending north-northwest from
Jane Peak
Jane Peak is a conspicuous nunatak, high, standing west of the northern part of Borge Bay on Signy Island, in the South Orkney Islands.
It was roughly surveyed in 1933 by Discovery Investigations personnel, and resurveyed in 1947 by the Falklan ...
to
Spindrift Col Spindrift Col () is a col between hills in north-central Signy Island, 0.5 nautical miles (0.9 km) southeast of Spindrift Rocks. Named by United Kingdom Antarctic Place-Names Committee (UK-APC) in association with Spindrift Rocks.
Mountain ...
in central
Signy Island
Signy Island is a small subantarctic island in the South Orkney Islands of Antarctica. It was named by the Norwegian whaler Petter Sørlle (1884–1933) after his wife, Signy Therese.
The island is about long and wide and rises to above sea ...
,
South Orkney Islands
The South Orkney Islands are a group of islands in the Southern Ocean, about north-east of the tip of the Antarctic Peninsula[British Antarctic Survey
The British Antarctic Survey (BAS) is the United Kingdom's national polar research institute. It has a dual purpose, to conduct polar science, enabling better understanding of global issues, and to provide an active presence in the Antarctic on ...]
(BAS) biologists. Named by the
United Kingdom Antarctic Place-Names Committee
The UK Antarctic Place-Names Committee (or UK-APC) is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory (BAT) and ...
(UK-APC) in 1991 after lichens of the genus ''
Usnea
''Usnea'' is a genus of mostly pale grayish-green fruticose lichens that grow like leafless mini-shrubs or tassels anchored on bark or twigs.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, The genus is in the f ...
'', which form a main element of the plant life on the ridge.
Ridges of the South Orkney Islands
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