Chris Mattison / Gold dust lichen (Chrysothrix candelaris) growing around and over Shield lichen (Parmelia sulcata) on sycamore bark, Padley Woods, Derbyshire, England, UK, December.
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Chris Mattison / Common orange lichen (Xanthoria parietina) on Hawthorn twig (Crataegus monogyna) together with a Shield lichen (Parmelia sulcata) England, UK. April.
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Robert Thompson / Lichens (Parmelia sulcata) and (Xanthoria parietina) growing on apple twigs, Peatlands and Annagarriff wood National Nature Reserve, Portadown, County Armagh, Northern Ireland, UK. September.
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Chris Mattison / Black stone flower (Parmotrema perlatum) and a small piece of Shield lichen (Parmelia sulcata) growing on Apple tree. Focus-stacked image.