On trunk of Beech tree,
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.
There are a few but possibly Hericium cirrhatum
agree with Peachysteve; probably Hericium
Lat/Lng: 51, 1
OS grid ref: TR105265
High Beech , Epping Forest, Essex