UK trees
Alder Alnus glutinosa leaves and cones
Ash Fraxinus excelsior keys
Silver birch seeds Betula pendula
Sweet chestnut Castanea sativa
Scots pine Pinus sylvestris cones
Horse chestnut Aesculus hippocastanum conkers
Small-leaved Lime leaf and seeds Tilia cordata
Wych Elm Ulmus glabra leaf and seeds
Sycamore Acer pseudoplatanus winged seeds
London plane Platanus × acerifolia leaf and seeds
Norway spruce Picea abies cone
Spindle Euonymus europaeus leaf and berries
Guelder rose Viburnum opulus leaf and fruit
Field maple Acer campestre sprig
Hornbeam Carpinus betulus seed
Oak sudden death Phytophthora ramorum fungi
Oak spangle and silk button galls
Oak Quercus robur sketchbook page
Ash Fraxinus excelsior tree
Ash Fraxinus excelsior leaves and keys on twig