The delightful fragrance of wild thyme can punctuate a summer walk over a chalk grassland. It forms low-growing mats with dense clusters of purple-pink flowers.

Look out for this large, leafy lichen on trees in ancient woodlands in the west of the UK.

The thick topshell is a common sight on rocky shores in Wales and South West England.

This long-lived bivalve can be found buried in the sand on the south and west coasts of the UK.

Familiar as the bristly plant that easily hooks on to our clothing as we walk through the countryside or do the gardening, cleavers uses its hooks to help it climb and to disperse its seeds.