A beautifully scented plant, the arching stems and bell-shaped flowers of Lily-of-the-valley can be seen in many woodlands. Despite its delicate appearance, this plant is highly toxic.

The Bird's-nest orchid gets its name from its nest-like tangle of roots. Unlike other green plants, it doesn’t get its energy from sunlight. Instead, it grows as a parasite on tree roots, so…

Wild marjoram is actually the same aromatic herb as oregano which is used in Mediterranean cooking. Its small, pink flower clusters can be seen on chalk and limestone grasslands in summer.

Toadflax-leaved St John's-wort has star-shaped, bright yellow flowers. It is a rare plant, with most of its population existing on Dartmoor. It likes steep, sunny slopes, acidic soils and…

A climbing plant of woodlands, hedgerows, riverbanks and gardens, Hedge bindweed can become a pest in some places. It has large, trumpet-shaped, white flowers and arrow-shaped leaves.

The Leyland cypress, or 'Leylandii', is a notorious tree that has been widely planted for its fast-growing nature. It easily can get out of control, shading gardens at the expense of…

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…

Enchanter's nightshade is a hairy plant, with rounded leaves that taper to a fine tip, and clusters of small, pinky-white flowers in summer.

Common couch is a tall, tuft-forming grass of roadside verges, waste ground and arable land. It is very tough and can shade out more delicate plants. Look for flat, blade-like leaves and thin…

A common plant of disturbed ground like roadside verges and field edges, the spear thistle has purple, fluffy flower heads that appear in summer. Its flowers attract insects and its seeds feed…

A 'weed' of cultivated and disturbed ground, Round-leaved fluellen is a trailing plant with round leaves and yellow flowers that appear over summer.