SW6834 : Beard lichen

taken 9 years ago, near to Burras, Cornwall, Great Britain

Beard lichen
Beard lichen
Close up of the amazingly long strands of lichen of Usnea spp.
Usnea is very sensitive to air pollution, especially sulphur dioxide. Under bad conditions they may grow no larger than a few millimetres, if they survive at all. Where the air is unpolluted, they can grow to 10-20 cm long, as in this case.
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SW6834, 4 images   (more nearby )
Photographer
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Date Taken
Wednesday, 5 March, 2008   (more nearby)
Submitted
Friday, 7 March, 2008
Category
Lichens and mosses   (more nearby)
Subject Location
OSGB36: geotagged! SW 688 345 [100m precision]
WGS84: 50:9.9429N 5:14.2985W
Camera Location
OSGB36: geotagged! SW 688 345
View Direction
North-northwest (about 337 degrees)
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