Lichen 1p

Lichen 1p

Observation - Lichen 1p. Description: Crustose, areolate white lichen on limestone block in quarry. Dark prothallus border around thallus. Single areoles often with several black apothecia appearing as slits. Possibly Aspicilia calcarea.

Crustose, areolate white lichen on limestone block in quarry. Dark prothallus border around thallus. Single areoles often with several black apothecia appearing as slits. Possibly Aspicilia calcarea.