Nick Upton / 2020VISION / Early bumblebee (Bombus pratorum) feeding on Knotweed (Persicaria bistorta "superba") flower in garden, Wiltshire, England, UK, May . Property released.
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Nick Upton / 2020VISION / Queen Hornet (Vespa crabro) feeding on Knotweed flower (Persicaria bistorta "superba") in garden, Wiltshire, England, UK, May . Property released.
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Nick Upton / 2020VISION / Early bumblebee (Bombus pratorum) feeding on Knotweed (Persicaria bistorta "superba") flower in garden, Wiltshire, England, UK, May . Property released.
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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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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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Nick Upton / Early bumble bee (Bombus pratorum) collecting nectar from a Knotweed (Persicaria bistorta 'superba') flower, in a garden, Wiltshire, UK, Summer
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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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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 / Common bistort (Bistorta officinalis) at Lake Naarden, Holland
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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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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.
