Grey-green lichen

Grey-green lichen

Observation - Grey-green lichen. Description: Grey-green, cracked thallus growing on another lichen (possibly Tephromela atra) on top of siliceous gravestone. Dark prothallus, immersed apothecia. Possibly Lecanora sulphurea.

Grey-green, cracked thallus growing on another lichen (possibly Tephromela atra) on top of siliceous gravestone. Dark prothallus, immersed apothecia. Possibly Lecanora sulphurea.