Fungus (presumably) on wall

Fungus (presumably) on wall

Observation - Fungus (presumably) on wall. Description: black fungus growing on top of a limestone wall, slightly shaded by bramble and conifers. (the moss to the left if Tortula muralis)

black fungus growing on top of a limestone wall, slightly shaded by bramble and conifers.

(the moss to the left if Tortula muralis)