Petty spurge is found on cultivated ground, such as gardens, fields and waste ground. It displays cup-shaped, green flowers in clusters and oval, green leaves.

Shepherd's purse is often considered a 'weed'. It produces a lot of seeds and can be found on cultivated and disturbed land, such as arable fields, tracks and gardens.

Creeping buttercup is our most familiar buttercup - the buttery-yellow flowers are like little drops of sunshine peppering garden lawns, parks, woods and fields.

A scrambling 'weed' of waste ground, fields and gardens, Common fumitory can be found on dry and disturbed soils. Its pink flowers appear over spring and summer.

Despite its name, Common knotgrass is not a grass, but is actually related to the docks. It has wiry stems that grow along the ground, and is a weed of waste ground, gardens and arable fields.

The lesser-black backed gull can be spotted around the coast in summer, with the biggest colony on Walney Island, Cumbria. Look for it over fields, landfill sites and reservoirs during winter.

Once considered a weed of cornfields, the Scarlet pimpernel is now in decline due to intensive agricultural practices. It can be found in arable fields, on roadside verges and waste ground, and on…