Jose B. Ruiz / Silhouette of White stork {Ciconia ciconia} on nest in Holm Oak Tree {Quercus ilex} at sunrise, Spain.
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Juan Manuel Borrero / Illustration of Holm Oak tree (Quercus ilex). Detail of leaves and fruit. Pencil and watercolor painting.
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Juan Manuel Borrero / Illustration of Holm Oak tree (Quercus ilex rotundifolia). Detail of leaves and acorns. Pencil and watercolor painting.
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Juan Manuel Borrero / Illustration of Downy Oak (Quercus pubescens) with detail of leaves and acorns. Pencil and watercolor painting.
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Juan Manuel Borrero / Illustration of Holm Oak (Quercus ilex ballota). Pencil and watercolor painting.
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Alex Hyde / Autumn leaves and nuts from English Oak (Quercus robur) and Beech (Fagus sylvatica), photographed on a white background. Peak District National Park, Derbyshire, UK. October.
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Wild Wonders of Europe / Widstrand / Pyrenean oak (Quercus pyrenaica) trees and flowering White broom (Lygos monosperma) Serra de Gata, Salamanca Region, Castilla y Leon, Spain, May
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Wild Wonders of Europe / Widstrand / Pyrenean oak (Quercus pyrenaica) and flowering White broom (Lygos monosperma), in Serra de Gata, Salamanca Region, Castilla y Leon, Spain, May
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Mark Taylor / English oak tree (Quercus robur) with heavy early snow, Black Heath, Surrey, UK
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Sandra Bartocha / Single English Oak (Quercus robur) in snow, Mecklenburger Schweiz, Germany, January
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Jim Brandenburg / Oak (Quercus sp) trees, Noirmoutier Island, France
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MYN / Niall Benvie / Pedunculate oak leaf (Quercus sp) Arnos Vale Cemetery, Bristol, UK May 2012 BioBlitz, meetyourneighbours.net project
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Alex Hyde / English Oak leaves (Quercus robur) photographed on a white background, Peak District National Park, Derbyshire, UK, October.
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MYN / Niall Benvie / Pedunculate / English oak (Quercus robur) seedling, Tartumaa, Estonia, May meetyourneighbours.net project
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Ingo Arndt / Landscape with Oak tree and grasses covered with hoar frost, Germany
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Doug Wechsler / Dew-covered White oak leaf {Quercus alba} with dew, New Jersey, USA
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Larry Michael / White oak tree {Quercus alba} in winter. Wisconsin, USA
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Larry Michael / White oak with acorns {Quercus alba} Wisconsin, USA
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Larry Michael / White oak trees {Quercus alba} WI, USA - Early autumn Sequence 4/5
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Larry Michael / White oak trees {Quercus alba} WI, USA Summer. Sequence
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Ingo Arndt / Landscape with Oak tree and grasses covered with hoar frost, Germany
