Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011. Photographer quote: 'This was the best display of amphibious bistort...
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK
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Juan Manuel Borrero / Illustration of Water pepper (Polygonum hydropiper). Pencil and watercolor painting.
Dr. Axel Gebauer / Sikkim knotweed (Polygonum molle) newly discovered food plant of Red pandas, Pangolakha Wildlife Sanctuary, 3,500 m, India
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Nick Upton / Red Bistort (Persicaria amplexicaulis) flowering. Wiltshire, UK, July.
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower at Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011. 2020VISION Book Plate.
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011
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Guy Edwardes / 2020VISION / Amphibious bistort (Polygonum amphibium) in flower on lake, Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011
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Ernie Janes / Amphibious Bistort (Polygonum amphibium) in flower, Norfolk, UK
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Brent Stephenson / Alpine bistort or knotweed (Polygonum viviparum) in flower. Blomstrandhalvoya, Krossfjord, Svalbard.
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Florian Möllers / Black-veined white butterfly (Aporia crataegi) on Common bistort flower, Germany.
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Florian Möllers / Wetlands meadow with Common bistort (Polygonum bistorta) in a nature reserve in Berlin, Germany.
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Florian Möllers / Common bistort (Bistorta officinalis) flowers, Berlin, Germany.
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Florian Möllers / Common bistort (Bistorta officinalis) flowers, Berlin, Germany.
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Florian Möllers / Common bistort (Bistorta officinalis) flowers, Berlin, Germany.
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Rob Tilley / Wild flower meadow with Lupin, Paintbrush and Bistort, Paradise Mt. Rainier NP, Washington, USA, August 2010
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Andy Sands / Red Clover (Trifolium pratense) and Common Bistort (Persicaria / Polygonum bistorta) growing with Buttercups in hay meadow, Upper Teesdale, Co. Durham, UK, June
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Andy Sands / Common Bistort (Bistorta officinalis) growing with Buttercups (Ranunculus) in Hay meadow, Upper Teesdale, Co. Durham, UK, June
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Michel Poinsignon / Cotton grass {Eriophorum linaigrette} and Bistort {Polygonum bistorta} flowers, Lorraine, France
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Kirkendall-Spring / Mount Rainier and wildlflower meadow in Edith Creek Basin of Mount Rainier National Park, Washington, USA
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Kirkendall-Spring / View of the Tatoosh Range from Edith Creek Basin in Mount Rainier National Park, Washington, USA
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Silvia Reiche / Ocellate Bog Fritillary (Boloria eunomia) on Common Bistort (Polygonum bistorta) flower, Germany
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Silvia Reiche / Ocellate Bog Fritillary (Boloria eunomia) on Common Bistort (Polygonum bistorta) flower, Germany
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Silvia Reiche / Ocellate Bog Fritillary (Boloria eunomia) on Common Bistort (Polygonum bistorta) flower, Germany
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Silvia Reiche / Ocellate Bog Fritillary (Boloria eunomia) on Common Bistort (Polygonum bistorta) flower, Germany
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WILLIAM OSBORN / Bistort {Polygonum bistorta} flowering in meadow, Glos, UK
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WILLIAM OSBORN / Bistort {Polygonum bistorta} flowers, Glos, UK
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Rolf Nussbaumer / Wildflowers in alpine meadow - Heartleaf Arnica {Arnica cordifolia}, Indian Paintbrush {Castilleja sp} and Bistort {Persicaria sp}, Ouray, San Juan Mountains, Rocky Mountains, Colorado, USA, July 2007
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Rolf Nussbaumer / Waterfall and wildflowers in alpine meadow - Showy Daisy {Erigeron speciosus}, Heartleaf Arnica, Tall Larkspur and Bistort; Ouray, San Juan Mountains, Rocky Mountains, Colorado, USA, July 2007
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Bruno D'Amicis / Bistort (Persicaria bistorta) and mountain landscape in the Tomanova valley, Western Tatras, Slovakia
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MYN / Niall Benvie / Close-up of Common bistort flower {Bistorta officinalis} UK, May
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MYN / Niall Benvie / Common bistort {Bistorta officinalis} flowering, UK, May
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Willem Kolvoort / Split level view of flowering Amphibious bistort (Polygonum amphibium) Lake Naarden, Holland
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Willem Kolvoort / Common bistort (Bistorta officinalis) at Lake Naarden, Holland
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Konstantin Mikhailov / {Polygonum aviculare} flowering, Lake Baikal, Siberia, Russia
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Philippe Clement / Scorpionfly {Panorpa sp.} on Meadow / Common bistort {Bistorta officinalis} Gran Paradiso NP, Alps, Italy
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Philippe Clement / Scorpionfly {Panorpa sp.} on Meadow / Common bistort {Bistorta officinalis} Gran Paradiso NP, Alps, Italy
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Philippe Clement / Scorpionfly {Panorpa sp.} on Meadow / Common bistort {Bistorta officinalis} Gran Paradiso NP, Alps, Italy
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Philippe Clement / Scorpionflies {Panorpa sp.} on Meadow / Common bistort {Bistorta officinalis} Gran Paradiso NP, Alps, Italy
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Philippe Clement / Catoptria pinella moth on Common bistort {Bistorta officinalis} Gran Paradiso, Alps, Italy
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Philippe Clement / Scorpionfly {Panorpa sp.} on Meadow / Common bistort {Bistorta officinalis} Gran Paradiso NP, Alps, Italy
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Willem Kolvoort / Floating leaves of Amphibious bistort (Polygonum amphibium) Lake Naarden, Holland
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Jason Smalley / Amphibious Bistort {Persicaria bistorta / Polygonum sp.} growing in Loch Ken, Scotland, UK.
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Jason Smalley / Amphibious Bistort {Persicaria bistorta / Polygonum sp.} growing in Loch Ken, Scotland, UK.
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Solvin Zankl / Seeds of Common Bistort (Bistorta officinalis), Europe. Air in the seedcoat allows the seed to float and disperse in water. Some wind dispersal also occurs.
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Solvin Zankl / Common Bistort flower (Bistorta officinalis) - Europe
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Solvin Zankl / Seeds of Common Bistort (Bistorta officinalis), Europe. Air in the seedcoat allows the seed to float and disperse in water. Some wind dispersal also occurs.
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Solvin Zankl / Common Bistort flower (Bistorta officinalis) - Europe
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Pascal Tordeux / Bistort / Adderwort / Dragonwort / Easter Giant / Easter Ledger / Osterick / Gentle Dock / Passion Dock / Patient Dock (Polygonum bistorta). French Alps, July.
