These little critters are related to the woodlice you find in your garden and play a very important role on rocky shores.

Ivy-leaved toadflax is an introduced species in the UK that has become widely naturalised. Look for creeping along old walls and pavements, and shingle beaches. Its flowers resemble those of…

Tall melilot was introduced into the UK as a fodder crop, but has now become naturalised. It displays golden, pea-like flowers on tall spikes, which are followed by black, hairy seed pods.

Barnacles are so common on our rocky shores that you've probably never really noticed them. They're the little grey bumps covering the rocks that hurt your feet when you're…

The angle shades can be well-hidden among the leaf litter - its pinky-brown markings and scalloped wings giving it the perfect camouflage. It is on the wing in gardens, woods and hedgerows from…

Living up to its name the Common blue damselfly is both very common and very blue. It regularly visits gardens - try digging a wildlife-friendly pond to attract damselflies and dragonflies.

The Lawson cypress is a large, conical-shaped, evergreen tree that has been introduced into the UK and widely planted in gardens and parks. It has also naturalised along damp banks and woodland…

A bright red beetle, with black legs and knobbly antennae, the red-headed cardinal beetle lives up to its name. Look for it in woodland, along hedgerows and in parks and gardens over summer.

Sea-buckthorn is a spiny, thicket-forming shrub of sand dunes. It's native to the east coast of England but considered an invasive species elsewhere. It is most obvious in autumn when it is…