Water-soldier grows submerged in ponds and open water, and pops up over summer, looking like the top of a pineapple! This rare plant displays white flowers and shelters many aquatic insects.

This elegant tern is named for the rosy flush to its summer plumage. With just one regular nesting colony, it is the rarest breeding seabird in the UK.

A sprawling plant, wild liquorice often has large, kinked stems. It favours woodland, scrub and grassland habitats on chalky soils - look for pea-like flowers and pods. This liquorice is not…

The vast, green mats that sometimes cover the surface of still water, such as ponds, flooded gravel pits and old canals, are actually Common duckweed. A tiny, single plant, it groups together to…

Dwarf milkwort is a rare plant of chalk and limestone grasslands with short turf; it can mainly be found in Kent, Yorkshire and Cumbria. It has bluish, sometimes pink, flowers atop its short stems…

Often overlooked, Lesser centaury is a tiny plant of grassy, open habitats like dunes, cliffs, heaths and grasslands. As its name suggests, it is much smaller than its relative, Common centaury.…

Herb-Paris has four oval leaves set in a cross, with an understated crown of yellow-green flowers rising from the middle. This makes it quite a distinctive plant of ancient and damp woodlands on…

Well-known for its role in making beer, Hop is a climbing plant that can be seen in woodlands and along hedgerows and field edges. Its female flowers bear the cone-like fruit that is used in beer…

The bill-shaped seed pods of Common Stork's-bill explode when ripe, sending the seeds flying! This low-growing plant has pretty pink flowers and can be seen on grasslands and coastal sands.…

As its name suggests, Deadly nightshade is a highly poisonous plant. Its black, shiny berries may be tempting but fatal. Found on chalky and disturbed ground, such as scrub or verges, it has bell-…

Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from…

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…