Horse chestnut, Japanese horse chestnut, Aesculus turbinata, Fallen conkers in shells beside tree, North Yorkshire, October.

Purple toothwort, Lathraea cladestina, Rare parasitic plant living on willow tree roots, North Yorkshire, April.

Purple toothwort, Lathraea cladestina, Rare parasitic plant living on willow tree roots, North Yorkshire, April.

Maple, Japanese maple, Acer palmatum, Leaves showing autumn colours, North Yorkshire, October.

Buttercup, Ranunculus acris.