In sheltered, humid sites in the Caledonian Forest, the high moisture content in the air encourages the growth of a profusion of lichens on tree trunks and branches. Easy to overlook in summer, when they are hidden by the trees’ leaves, they are much more conspicuous in winter. These lichens act like leaves, using the sun’s energy for photosynthesis, although that is for their own benefit, not the trees.
Click on an image below to view the gallery.
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