Nigel Cattlin / Horse chestnut leaf miner (Cameraria ohridella) larval damage to Horse chestnut (Aesculus hippocastanum) leaves. Berkshire, England, UK. August.

Nick Upton / Horse Chestnut (Aesculus hippocastanum) flower candelabras Wiltshire, UK, May.

Adrian Davies / Horse chestnut (Aesculus hippocastanum) flowers. Surrey, England, UK. May.

Nick Upton / Horse chestnut (Aesculus hippocastanum) sticky buds, Wiltshire, UK, September. The buds of horse chestnut are covered in a sticky gum like substance, which protects the from insects.

Nick Upton / Horse chestnut (Aesculus hippocastanum) sticky buds, Wiltshire, UK, September. The buds of horse chestnut are covered in a sticky gum like substance, which protects the from insects.

Ernie Janes / Horse chestnut (Castanea sativa) tree conkers / seeds, Norfolk, England, UK, September.

Robert Thompson / Horse chestnut (Aesculus hippocastanum) Clare Glen, County Armagh, Northern Ireland. October.

Will Watson / Shaggy inkcap (Coprinus comatus) growing beneath Horse chestnut (Aesculus hippocastanum) tree, Herefordshire Plateau, England, UK, October .

Russell Cooper / Horse Chestnut leaf (Aesculus hippocastanum) infected by Mining moth caterpillar (Cameraria nemoralis) Southwest London, England, UK, July.

Sylvain Cordier / Horse chestnut seedling (Aesculus hippocastanum), Alsace, France, May.

Fabrice Cahez / European horse-chestnut (Aesculus hippocastanum) fruit and seeds, Vosges, France

Fabrice Cahez / European horse-chestnut (Aesculus hippocastanum) fruit, Vosges, France