A cluster of dark-capped fungi.
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.
suspect it is coprinus, did you manage to get a picture of any younger ones?
They were all at roughly this stage, ranging from the smaller ones under the grass on the left which are lighter, to the dark ones at top left.
Lat/Lng: 51.4221, 0.2866
OS grid ref: TQ590717