Jerry Monkman / Nature Conservancy employees cutting back Japanese knotweed (Fallopia japonica) in an invasive species eradication effort on the TNC's Silverweed Seep preserve in Plainfield, New Hampshire, USA.
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Wild Wonders of Europe / Möllers / Japanese knotweed (Polygonumn cuspidatum / Fallopia japonica) growing by the river Allier, Pont-du-Chateau, Auvergne, France, August 2010
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Colin Varndell / Japanese knotweed (Fallopia japonica) flowers, Dorset, UK, September
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Laurie Campbell / Japanese Knotweed (Fallopia japonica) Berwickshire, Scotland, UK September
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Laurie Campbell / Japanese Knotweed (Fallopia japonica) flowers, Berwickshire, Scotland, UK September
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Laurie Campbell / Japanese Knotweed (Fallopia japonica) flowers, Berwickshire, Scotland, UK September
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Laurie Campbell / Japanese Knotweed (Fallopia japonica) Berwickshire, Scotland, UK September
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Adrian Davies / Japanese Knotweed {Fallopia japonica} growing on remote hillside in Snowdonia National Park, North Wales, UK
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Jason Smalley / Japanese Knotweed {Fallopia japonica} an invasive plant of the British countryside, UK
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Adrian Davies / Japanese Knotweed (Fallopia japonica) growing on bank of River Dart, Dartmoor NP, England, 2007
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Adrian Davies / Japanese Knotweed (Fallopia japonica) growing on bank of River Dart, Dartmoor NP, England, 2007
