Chris Mattison / Two lichens, Concentric boulder lichen (Porpidia crustulata) and Lecidea lithophila, on sandstone. Derbyshire, England, UK, September.
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Pascal Pittorino / Queen victoria agave (Agave victoriae- reginae) close up, in botanic garden, Var, Provence, France, January.
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Orsolya Haarberg / Fallen Scots pine trees (Pinus sylvestris) with Concentric ring fungus (Arctoparmelia centrifuga) Swedish Lapland, Sweden. July 2013.
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Erlend Haarberg / Scots pine (Pinus sylvestris) forest in fog, with rocks covered by arctoparmelia lichen (Arctoparmelia centrifuga), Stora Sjofallet National Park, Laponia, Lapland, Sweden, July.
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Erlend Haarberg / Arctoparmelia lichen (Arctoparmelia centrifuga) on rock, Stora Sjofallet National Park, Laponia, Lapland, Sweden, July.
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Erlend Haarberg / Scots pine (Pinus sylvestris) forest, with rocks covered by arctoparmelia lichen (Arctoparmelia centrifuga), Stora Sjofallet National Park, Laponia, Lapland, Sweden, July.
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Erlend Haarberg / Scots pine (Pinus sylvestris) forest with rocks covered by arctoparmelia lichen (Arctoparmelia centrifuga), Lapland, Sweden, June.
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Erlend Haarberg / Arctoparmelia lichen (Arctoparmelia centrifuga) on rock, Lapland, Sweden, June.
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Christophe Courteau / Garden spider / cross spider (Araneus diadematus) on web in urban street, France, October.
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Andy Trowbridge / RF- An adult male Mallard Duck (Anas platyrhynchos) flapping/stretching wings. Southern Norway. September. (This image may be licensed either as rights managed or royalty free.)
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Wild Wonders of Europe / Widstrand / Concentric ring lichen (Arctoparmelia centrifuga) near Kvikkjokk, Greater Laponia Rewilding Area, Lapland, Norrbotten, Sweden, June.
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Sandra Bartocha / Concentric ripples in lake surface, at dawn Haussee Feldberg, Naturpark Feldberger Seenlandschaft nature reserve, Germany. October 2007
