Andres M. Dominguez / Bacteria (Lepthotryx discophora) causing iridescent patterns and White willow tree leaf (Salix alba) in river, Sierra de Grazalema Natural Park, southern Spain, November.
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Wild Wonders of Europe / della Ferrera / Trees, mainly White willow (Salix alba) in flooded karst plateau, Livanjsko Polje, Bosnia and Herzegovina, May 2009
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Wild Wonders of Europe / della Ferrera / Flooded trees, mainly White willow (Salix alba) Livanjsko Polje (karst plateau) Bosnia and Herzegovinam May 2009
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Wild Wonders of Europe / della Ferrera / Trees, mainly White willow (Salix alba) in flooded karst plateau, Livanjsko Polje, Bosnia and Herzegovina, May 2009
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Andres M. Dominguez / Bacteria (Leptothryx discophora) causing iridescent sheen on water surface with White willow leaf (Salix alba). Sierra de Grazalema Natural Park, southern Spain, November.
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Andres M. Dominguez / Bacteria (Leptothryx discophora) causing iridescent sheen on water surface with White willow leaf (Salix alba). Sierra de Grazalema Natural Park, southern Spain, November.
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Fabrice Cahez / White willow (Salix alba) catkin, Vosges, France, April.
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Jean E. Roche / Treehouse in big Willow (Salix alba) tree, Bresse, France, April 2013.
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Jean E. Roche / Pollarded Willow trees (Salix alba) Anse de Longepierre, Bresse, France, April.
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Jean E. Roche / Pollarded Willow trees (Salix alba) Anse de Longepierre, Bresse, France, April.
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Nigel Bean / White willow trees (Salix alba) covered in hoar frost, Somerset Levels, UK, December 2010
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Nigel Bean / White willow trees (Salix alba) covered in hoar frost, Somerset Levels, UK, December 2010
