Possibly a fruticose lichen growing in hedge/copse area of London Wetlands Centre, Barnes
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.
Lat/Lng: 51.47707, -0.23033
OS grid ref: TQ229768
Mixed hawthorn, alder, ash, oak and willow patch in London Wetlands Centre reserve