A good luck charm for travellers, Germander speedwell can be seen along roadsides, grassy lanes and hedgerows. Look for clumps of bright blue flowers.

The stiff, spiky and upright leaves and brown flowers of hard rush are a familiar sight of wetlands, riversides, dune slacks and marshes across England and Wales.

A scrambling plant, Meadow vetchling has yellow flowers. It is a member of the pea family and can be seen on rough grassland, waste ground and roadside verges.

A scrambling plant, Tufted vetch has violet flowers. It is a member of the pea family and can be seen along woodland edges, on scrubland and grassland, and at the coast.

A notoriously poisonous plant, hemlock produces umbrella-like clusters of white flowers in summer. It can be found in damp places, such as ditches, riverbanks and waste ground.

Selfheal is a low-growing, creeping plant that likes the short turf of grasslands, roadside verges or even lawns. Its clusters of violet flowers appear in summer.

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.

The all-black rook is a sociable bird, so can be spotted in flocks or nesting colonies, known as 'rookeries'. Unlike the similar carrion crow, it has a grey bill and 'baggy trouser…

The yellow, star-like flowers of bog asphodel brighten up our peat bogs, damp heaths and moors in early summer, attracting a range of pollinating insects.

The delightful fragrance of wild thyme can punctuate a summer walk over a chalk grassland. It forms low-growing mats with dense clusters of purple-pink flowers.

Often seen carpeting the floor of ancient woodlands, Dog's mercury can quickly colonise, its fresh green leaves shading out rarer plants. It is also very poisonous.

Hedge mustard is a tall plant with small, yellow flowers atop tough stems. It likes disturbed ground and grows in hedgerows and roadside verges, and on waste ground.