Whitish fruticose lichen growing on trunk of willow near river. Looks like a Ramalina species but with coralloid-looking soralia. Possibly Ramalina lacera.
Caution: Do NOT use iSpot to identify fungi to eat!
Some fungi are very poisonous so a mistaken ID could have serious consequences.
No interactions present.
Thanks for help with the identification and the information. Much appreciated.
Lat/Lng: 52.3184, -0.1802
OS grid ref: TL241704