Fennel has feathery leaves and open, umbels of yellow flowers. It was probably introduced by the Romans for culinary use, and is now a naturalised species of verges, waste ground and sand dunes.…

The lime hawk-moth is a large, night-flying moth that can be seen from May to July in gardens, parks and woods. It is buff-coloured, with green patches on its scalloped-edged wings.

A late-flowering plant, Autumn gentian displays pretty, mauve, tube-like flowers atop its reddish stems. It favours dry, chalk grassland and sand dune habitats.

Cushions of clover-like, pink Thrift are a familiar sight of cliffs, shingle beaches and sand dunes around the UK. Also known as 'Cliff Clover', it makes a good garden plant.

Although introduced by humans, the fallow deer has been here so long that it is considered naturalised. Look out for groups of white-spotted deer in woodland glades.

The distinctive sight of a spoonbill is becoming increasingly common in the east and southwest of England, with colonies of breeding birds now established.

Bittersweet is a nightshade, so is toxic; its bright red berries may be tempting, but can cause serious illness. Found in hedgerows and gardens, it has purple flowers with yellow stamens.

Unsurprisingly, the chalkhill blue can be found on sunny, chalk grassland sites in southern England. Clouds of this beautiful blue butterfly may be seen fluttering around low-growing flowers.

Soft brome is a tall, annual grass of roadside verges, waste ground and meadows, and is a 'weed' of arable land. It has long, grey-green leaves and loosely clustered flower spikes.

Horseshoe vetch is a member of the pea family, so displays bright yellow, pea-like flowers and seed pods. Look for this low-growing plant on chalk grasslands from May to July.