Colin Varndell / Dogwood (Cornus sanguinea) buds in spring. Dorset, UK, March 2012.

Colin Varndell / Dogwood (Cornus sanguinea) twig in mid-winter, Dorset, UK January

Colin Varndell / Dogwood (Cornus sanguinea) buds breaking in spring. Dorset, UK, March.

Philippe Clement / Close up of Common / European dogwood leaves and berries (Cornus sanguinea), Belgium, September

Wild Wonders of Europe / Benvie / Dogwood (Cornus sanguinea) in flower, Queyras Natural Park, France, May 2009

Nick Upton / White willow (Salix alba) trees and Common dogwood (Cornus sanguinea) bushes in winter, Chew Valley Lake, Somerset, UK. 2009

Nick Upton / Dogwood {Cornus sanguinea} (red) and Willow saplings {Salix sp} (green) in winter, Chew Valley Lake, Somerset, UK.

Simon Colmer / Dogwood (Cornus sanguinea) leaf, UK

Niall Benvie / Blue tit {Parus caeruleus} perched on Dogwood {Cornus sanguinea} Scotland

Jim Brandenburg / Dogberry (Cornus sanguinea) trees in bloom, Great Smoky Mountains National Park, North Carolina

Tony Evans / Dogwood growing beside lake {Cornus sanguinea} Hertfordshire, UK

Tony Evans / Dogwood growing beside lake {Cornus sanguinea} Hertfordshire, UK