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Title
Close up of lichen covered branch including the pale green fruiting bodies of the Beard Lichen, Usnea, NSW, Australia #281555725
Description
Close up of lichen covered branch including the pale green fruiting bodies of the Beard Lichen, Usnea, and Xanthoria and Xanthoparmelia species from Cowra, Central West New South Wales, Australia. Usnea is used as a bioindicator of clean air quality as it is sensitive to air pollution