British trees

Ash Fraxinus excelsior keys in autumn, having turned brown

Silver birch seeds with detail of one individual seed

Leaf and prickly seed case along with one chestnut

Scots pine Pinus sylvestris cones, one mature and one less ripe

Sycamore Acer pseudoplatanus winged seeds showing ripe and unripe paired seeds

Horse chestnut Aesculus hippocastanum conkers both in, and out of, their seed case

Small-leaved Lime leaf and seeds Tilia cordata with bract

Wych Elm Ulmus glabra leaf and seeds with close up of one seed

Guelder rose Viburnum opulus leaf and fruit showing shiny red berries

Spindle Euonymus europaeus bright coloured autumn leaf and berries

Norway spruce Picea abies cone and individual seed

London plane Platanus × acerifolia leaf and seeds, with details of individual seeds

Hornbeam Carpinus betulus mature dry seed with bracts

Field maple Acer campestre sprig showing leaves and developing seeds and close up of mature seeds

Sprig of Goat willow Salix caprea showing leaves with pale undersides

Goat willow Salix caprea completed for a rewilding project

Oak sudden death Phytophthora ramorum fungi and algae pest on Oak tree Quercus

Oak spangle galls from wasp Tilia platyphyllos and Silk button galls from wasp Neuroterus numismalis on Oak leaf Quercus robu

Oak Quercus robur sketchbook page including flowers and young leaves

Ash tree showing habit and growth form

Ash leaflets and ash keys on a twig