Fine-leaved fescues, wavy hair-grass and purple moor-grass dominate the acid grassland areas with a mix of wood sage, heath bedstraw and other typical species.
2.
On the east side of the valley, the underlying sandstone and limestone is exposed as cliffs; these support a vegetation in which wood sage, " Teucrium scorodonia ", and foxglove, " Digitalis purpurea ", are among the commonest species.