Growing on moss, wedged at the base of a building, near the water's edge.
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.
It seems that I always start taking pictures when the sun has already set, or light is poor. At the best of times find the Cladonias difficult to capture clearly, not certain that I'll get back there.
I've linked this find to our ZA site and had positive feedback re your helpful comments.
My favourite Lichen Site
MARINE, MARITIME AND OCEANIC LICHENS
'What is not shared is lost'
Lat/Lng: 51.50754, -0.0512
OS grid ref: TQ353805
On the banks of the Basin, growing in thick moss at the angle of the wall, close to the ground.