Lichen - Ramalina farinacea
Strap-like species common throughout the UK. Widespread and can survive in shaded or sunny locations. Can be silvery grey-green or yellow-green with narrow flattened branches reaching up to 7cm long. Woods rich in lichens support more wildlife than any other.
Lichen (Hypogymnia physodes)
Also called monk’s hood lichen, this presents as a grey-green collection of swollen lobes. If the lower surface can be seen there should be a brown colouring at the margin. Like many species of lichen it’s sensitive to nitrogen pollution. Widespread and found on trees with acidic bark. Woods rich in lichens support more wildlife than any other.