Betula pendula
The dominant tree species within the gorge are ash ("Fraxinus excelsior"), common beech ("Fagus sylvatica"), Cornish oak ("Quercus petraea"), English oak ("Quercus robur") and silver birch ("Betula pendula"). Mid-level flora includes hazel ("Corylus avellana"), field maple ("Acer campestre"), small-leaved lime ("Tilia cordata") and wych elm ("Ulmus glabra").