John Shaw / Abandoned house in middle of a wheat field. Palouse farming area, south eastern Washington, USA, August.
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Nigel Cattlin / Common knotgrass (Polygonum aviculare) growing as arable weed. England, UK. August.
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SCOTLAND: The Big Picture / Sheep's sorrel, (Rumex acetosella), in unimproved grassland, Cairngorms National Park, Scotland, UK, July.
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SCOTLAND: The Big Picture / Sheep's sorrel, (Rumex acetosella), in unimproved grassland, Cairngorms National Park, Scotland, UK, July.
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SCOTLAND: The Big Picture / Sheep's sorrel, (Rumex acetosella), in unimproved grassland, Cairngorms National Park, Scotland, UK, July.
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Mike Read / View across rolling plains with Sheeps sorrel (Rumex acetosella) and Anthemis chia near Viseus, Alentejo region, Portugal, February 2017
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Jack Dykinga / Bracken ferns and Sorrel growing on a felled Redwood tree, Redwood National Park, Prairie Creek, California, USA. June 2017.
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Jack Dykinga / Bracken ferns and Sorrel growing on a felled Redwood tree, Redwood National Park, Prairie Creek, California, USA. May 2017.
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Dave Bevan / Moorhen (Gallinula chloropus) feeding chick in a pond covered with Water smartweed (Persicaria amphibia), Ceredigion, Wales, UK. July.
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Dave Bevan / Pair of Moorhens (Gallinula chloropus) feeding chicks in a pond covered with Water smartweed (Persicaria amphibia), Ceredigion, Wales, UK. July.
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Dave Bevan / Little grebe (Tachybaptus ruficollis) preening, surrounded by Water smartweed (Persicaria amphibia), Ceredigion, Wales, UK. July.
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Paul Harcourt Davies / Bistort flowers (Persicaria bistortum), Piano Grande, Sibillini, Umbria, Italy. June 2016
