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.
not with conspicuous black apothecia.
The apothecia are 'lecidioid', lacking a 'thalline' margin (i.e part of the thallus tissue extending up the sides of the cup to form an often white rim, but the young apothecia do look to have a distinct rim, a so-called 'proper' margin, and possibly this is Catillaria chalybeia with a rather dark thallus.
But there are a lot of species with black, lecidioid apothecia, and even if the photograph showed them more clearly, I would say best not to speculate before the necessary microscope work.
But how could this be called Verrucaria nigrescens? It cannot possibly have matched any written description.
Lat/Lng: 53.4408, -2.3044
OS grid ref: SJ798938