Familiar as the bristly plant that easily hooks on to our clothing as we walk through the countryside or do the gardening, cleavers uses its hooks to help it climb and to disperse its seeds.

A climbing plant of hedgerows and woodlands, Black bryony produces greenish flowers in summer and red, shiny berries in autumn. It is a poisonous plant.

Greater burdock is familiar to us as the sticky plant that children delight in, frequently throwing the burs at each other. It actually uses these hooked seed heads to help disperse its seeds.

A bushy brown seaweed that appears bright blue underwater.

This small, white heron is an increasingly common sight in parts of the UK as it spreads north from continental Europe.

As its name suggests, Sea spurge is found at the coast. It is an attractive plant that displays cup-shaped, greeny-yellow flowers and fleshy, grey-green leaves.

A tall and hairy plant, Great willowherb displays pretty pink-and-cream flowers. It can be found in damp places, such as wet grasslands, ditches and riversides.

The Welsh poppy is a plant of damp and shady places, roadsides and hillsides. It is also a garden escapee. It flowers over summer, attracting nectar-loving insects.

Despite its name, Ground-ivy is actually a member of the dead-nettle family. It is a clump-forming, aromatic plant that likes woodlands, hedgerows and damp places.