Lichen in Church wall crevice

Lichen in Church wall crevice

Observation - Lichen in Church wall crevice - UK and Ireland. Description: Grey and green thallus growing along crevice between limestone blocks in church wall. Clusters of black lecideine apothecia. Possibly Toninia aromatica.

Grey and green thallus growing along crevice between limestone blocks in church wall. Clusters of black lecideine apothecia. Possibly Toninia aromatica.