As its name suggests, Silverweed has silvery leaves with toothed edges. It can be found in grassy places, along roadsides and on waste ground - look for yellow, saucer-shaped flowers and red…

The brown, oval, spiky seed heads of the teasel are a familiar sight in all kinds of habitats, from grassland to waste ground. They are visited by goldfinches and other birds, so make good garden…

Ground-elder was likely introduced into the UK by the Romans and has since become naturalised. A medium-sized umbellifer, it is an invasive weed of shady places, gardens and roadsides.

Hogweed can be found along hedgerows and roadside verges, and on waste ground and rough grassland. It displays umbrella-like clusters of creamy-white flowers. It's native, unlike its relative…

Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

The coppery click beetle is a large, coppery-purple beetle with straw-brown wing cases. It can be found on grassland and farmland, and its larvae are known to feed on roots and damage crops.

Caddisflies are a large order of insects that can be found in all kinds of wetlands. The larvae are known for making cases to pupate in, gathering stones, sand and leaves, and wrapping them with…

Pineappleweed is an introduced species that has become a widespread 'weed' of disturbed ground, such as pavements and roadsides and gardens. It has feathery leaves and yellow flower…

Water-cress has become so popular as a salad addition that it is now cultivated on a wide scale. In the wild, it grows in shallow, fast-flowing streams and is an indicator of clean water.