This bumpy shell lives up to its name and lives partly buried in the seabed along the west coast of Great Britain.

Common sorrel is a common plant of grasslands, woodland edges, roadside verges and gardens. It is also known as 'sour ducks' because its leaves taste tart.

Also known as the flat topshell, these are one of the most common and colourful sea snails you are likely to see when out on a rockpool safari!

A delicate, small plant of woodlands and hedgerows, wood-sorrel has distinctive, trefoil leaves and white flowers with purple veins; both fold up at night.

Look for Water avens in damp habitats, such as riversides, wet woodlands and wet meadows. It has nodding, purple-and-orange flowers that hang on delicate, purple stems.

Look for wood avens along hedgerows and in woodlands. Its yellow flowers appear in spring and provide nectar for insects; later, they turn to red, hooked seedheads that can easily stick to a…