This brown seaweed lives in the lower shore and gets its name from the serrated edges to its fronds.

Arrowhead is an aquatic plant of shallow water and slow-moving waterways. In bloom over summer, it displays small, white flowers, but it is the arrow-shaped leaves that are most distinctive.

A low-growing plant of sand dunes, heaths and grassy places, Common centaury is in bloom over summer. Look for clusters of pretty, pink, five-petalled flowers.

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.

The Yellow star-of-Bethlehem is a woodland plant that lives up to its name - it displays starry, gold flowers in an umbrella-like cluster in early spring.

As its name suggests, Water dock likes damp places, such as the egdes of canals, ponds and rivers. It is a tall plant with large, greenish flower spikes.

Our largest shieldbug, the red-and-green hawthorn shieldbug can be seen in gardens, parks and woodlands, feeding on hawthorn, rowan and whitebeam. The adults hibernate over winter.

The speckled wood prefers the dappled sunlight of woodland rides and edges, hedgerows and even gardens. Despite declines, its range has spread over recent years.

The small white is a common garden visitor. It is smaller than the similar large white, and has less black on its wingtips.

Often found carpeting damp grassland and woodland clearings, the blue flower spikes of bugle are very recognisable. A short, creeping plant, it spreads using runners.

Our largest bat, the noctule roosts in trees and can be seen flying over the canopy in search of insect-prey, such as cockchafers. Like other bats, it hibernates over winter.

A late-blooming flower, Meadow saffron looks like a crocus, displaying similar pink flowers once its leaves have died back. It is a highly poisonous plant of meadows and woodland rides and…