Solvin Zankl / Lichens (Usnea filipendula, Evernia prunasti, Bryoria fuscescens, Hypogymnia physodes and Parmelia sulcata) on English oak tree (Quercus robur) near Norra Kvill National Park, Smaland, Sweden, August.
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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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Ross Hoddinott / 2020VISION / Lichen {Parmelia sulcata} growing on bench wood, Denmark Farm Conservation Centre, Lampeter, Wales, UK, June 2011.
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Ross Hoddinott / Lichen {Usnea ceratina} and {Parmelia sulcata} Devon, UK. October
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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.