An invader scaling castle walls?

An invader scaling castle walls?

Observation - An invader scaling castle walls?. Description: 'Coastal' is a bit misleading, as it was growing on Dunstanburgh Castle wall (high up). Not a brilliant photo as it was out of reach, but I think it's S inaequidens.

'Coastal' is a bit misleading, as it was growing on Dunstanburgh Castle wall (high up). Not a brilliant photo as it was out of reach, but I think it's S inaequidens.