Ginkgo, Maidenhair tree, Ginkgo biloba, single yellow leaf laying on the rough torn away limb of a tree.

Boston ivy, Parthenocissus tricuspidata, growing across a bricked up window on a New York apartment block.

Boston ivy, Parthenocissus tricuspidata growing across a dilapidated window and air conditioning unit on a New York apartment block.

Gingko, Maidenhair tree, Gingko biloba, close up of leaves growing on the tree.

Gingko, Maidenhair tree, Gingko biloba, leaves viewed against a blue sky.

Crambe, Crambe cordifolilia, detail of flowers growing on the plant outdoor.

Sweetcorn, Zea mays, field of growing sweetcorn with rising from behind.

Black poplar, Populus nigra. Studio shot of mottled brown autumn leaf lying on rough, yellow background.

Black poplar, Populus nigra. Studio shot of brown and splitting autumn leaf lying on rusty metal sheet.

Black poplar, Populus nigra. Close up of mottled brown and black autumn leaf lying on rough, yellow background.

Black poplar, Populus nigra. Studio shot of mottled brown and black autumn leaf lying on rough, yellow background.

Ivy, Hedera helix 'Glacier'. Shadow on cream wall of leaves and stems of Common ivy.