Verrucaria nigrescens

Verrucaria nigrescens

Observation - Verrucaria nigrescens. Description: Black crustose lichen on top of a gravestone with cracked-looking surface. Seemed to have some more lobed lichen piggy-backing on it.

Black crustose lichen on top of a gravestone with cracked-looking surface. Seemed to have some more lobed lichen piggy-backing on it.