Hard black growth on Ash (3rd pic)
Concentric lines visible when cut.
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.
If youput one on paper under a cover (a jar or similar) and leave you can get spores shot out
I'll try that
Lat/Lng: 53.6949, -1.8955
OS grid ref: SE069220