catkins
Downy birch Betula pubescens (colour)
Sprig of Goat willow Salix caprea
Goat willow Salix caprea
Balsam poplar Populus balsamifera catkins fruit and leaves
Downy birch Betula pubescens
Silver birch Betula pendula sketch
Weeping Willow Salix babylonica leaves
Weeping willow Salix babylonica tree
Sweet chestnut Castanea sativa chestnuts and flowers
Sweet chestnut Castanea sativa tree
Hornbeam Carpinus betula leaves and fruit
Hornbeam Carpinus betulus tree
Hazel Corylus avellana hazelnuts
Hazel Corylus avellana tree
Black cottonwood Populus deltoides tree
Silver Birch Betula pendula tree
Silver birch Betula pendula sprig with leaves and male and female catkins
Alder Alder glutinosa leaf catkins and cones
Woolly willow Salix lanata
Willow Salix
Oak Quercus robur
Oak polypore fungus piptoporus quercinus
Oak bark Quercus robur
Crack willow Salix fragilis