A tussocky sedge, Greater pond sedge has stout, upright flower spikes, strap-like leaves and triangular stems. It prefers lowland wetland habitats on heavy soils.

The hart's-tongue fern is a hardy fern of damp, shady places in woodlands. It also makes a good garden fern. It has simple, tongue-shaped, glossy, green leaves that have orange spores on…

Look for the pinky-white flowers of the dog-rose in summer, and its bright red rosehips in autumn. It is a scrambling shrub of hedgerows, woodlands and grasslands.

The large white is a common garden visitor - look out for its brilliant white wings, tipped with black.

The pretty Deptford pink is a very rare flower that is very vulnerable to the loss of our traditional grassland and farmland habitats. It can only be found in a few places in England and Wales.…

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.

Cotoneaster was introduced to the UK in 1879 from Eastern Asia as an ornamental plant. It is now an invasive non-native species which is taking over valuable habitats including limestone…

The harvest mouse is tiny - an adult can weigh as little as a 2p piece! It prefers habitats with long grass, but you are most likely to spot its round, woven-grass nests.

Nudibranchs, also known as sea slugs, are much like their land-based relatives that you may spot in your garden. But, unlike your regular garden slug, the nudibranch can incorporate the stinging…