Look for the round, cottony, purple flower heads of the Woolly thistle on chalk and limestone grasslands in summer. It is mainly found in Southern England.

This small, round sea urchin is (unsurprisingly!) green in colour and can be found on rocky shores around the UK.

This large round urchin is sometimes found in rockpools, recognisable by its pink spiky shell (known as a test).

Water figwort is a tall plant of riverbanks, pond margins, damp meadows and wet woodlands. Its maroon flowers are pollinated by the Common wasp.

The delicate, tube-like, violet-blue flowers of Skullcap bloom from June to September in damp places, such as marshes, fens, riverbanks and pond margins.