Chicken of the woods is a sulphur-yellow bracket fungus of trees in woods, parks and gardens. It can often be found in tiered clusters on oak, but also likes beech, chestnut, cherry and even yew…

Look for the deep magenta, star-shaped flowers of Marsh cinquefoil in marshes, bogs, fens and wetlands in the north, west and east of the UK.

The Marsh helleborine is a beautiful orchid of fens, wet grassland and dune slacks. Growing in profusion in places, look for reddish stems and white-and-pink flowers.

Europe's largest frog is not naturally found in the UK, but was introduced to Kent and has spread throughout the southeast.

The bright blue, trumpet-shaped flowers of the marsh gentian contrast deeply with the pinks and purples of the wet heaths it inhabits. The New Forest holds a large population of this late-…