Look for the Yellow water-lily in still and slow-moving water, such as ponds, ditches, lakes and canals. Its lily pads and cupped, yellow flowers float at the water's surface.

Look for common toadflax on waste ground and grassland, and along roadside verges and hedgerows. Its yellow-and-orange flowers are tightly packed on a tall spike and have distinctive 'spurs…

Living up to its name, the hairy violet is covered in fine hairs. Look for its delicate, violet flowers blooming from March to June on chalk grasslands, in particular.

Often growing in swathes along a roadside or field margin, the oxeye daisy is just as at home in traditional hay meadows. The large, white, daisy-like flowers are easy to identify.

A scarce tree of central and southern England, in particular, the Small-leaved Lime can be found in ancient woodland. It is has sweet-smelling flowers in summer and nut-like fruits in autumn.

Easily recognised in its beach habitat, the Yellow horned-poppy is so-named for its long, curving seedpods that look like horns! Look for golden-yellow flowers in June.

Fennel has feathery leaves and open, umbels of yellow flowers. It was probably introduced by the Romans for culinary use, and is now a naturalised species of verges, waste ground and sand dunes.…

The bee orchid is a sneaky mimic - the flower’s velvety lip looks like a female bee. Males fly in to try to mate with it and end up pollinating the flower. Sadly, the right bee species doesn’t…

A member of the buttercup family, Common water-crowfoot displays white, buttercup-like flowers with yellow centres. It can form mats in ponds, ditches and streams during spring and summer.

The Greater butterfly-orchid is a tall orchid of hay meadows, grasslands and ancient woodlands. It has whitish-green flowers that have spreading petals and sepals - a bit like the wings of a…