Oak, Common oak, Quercus robur, Autumn leaves covering fallen acorns.
Oak, Quercus robur, Acorns growing on the branches of tree in late summer.
Oak, Common oak, Quercus robur, Side view of fairly mature tree with no leaves, silhouetted against the misty dawn sky in an English field.
Common oak, Quercus robur, Side view of upper branches of some trees with ivy climbing up the trunks.
Oak, Quercus robur, Spangle galls, Neuroterus quercusbaccarum on common oak, Close view of two backlit leaves showing the eggs of this parasitic wasp.
Oak, Quercus robur, Spangle galls, Neuroterus quercusbaccarum on common oak, Close view of two backlit leaves showing the eggs of this parasitic wasp.
Common oak, Quercus robur, leaves infested with the common spangle gall caused by the cynipid wasp.
Oak, Quercus robur.
Oak, Acorn, Quercus robur.
Oak, Acorn, Quercus robur.
Oak, Quercus robur. Digitally manipulated image of oak tree with stark,bare branches in winter landscape with fence line behind. Use of cool, muted colours create the effect of an illustration or pain...