Lecidea lithophila
An informal survey of the plant and animal life living in or visiting the grounds of Pointfield, Kelso since 2015
Lichen
Crustose lichen with a rusty-grey, cracking thallus. Apotheca large, black, lecideine, with a central nipple; polygonal where in contact with each other.
Encrusting concrete slab drain cover in garden.