Lichen on a rendered wall
Observation - Lichen on a rendered wall - UK and Ireland. Description: Crustose lichen having a greenish-grey thallus with a white margin. Lots of red-brown apothecia crowded in the centre. C-, K+, growing on a rendered wall.
Crustose lichen having a greenish-grey thallus with a white margin. Lots of red-brown apothecia crowded in the centre. C-, K+, growing on a rendered wall.