Caloplaca oasis - Caloplaca oasis


A yellow crust forming lichen usually with abundant apothecia (0.2-0.4mm) which are orange to orange-brown. The apothecia are usually more obvious than than the thallus.


On calcareous substrates: limestone, mortar and concrete.

When to see it

All year round

Life History

Occasionally found parasitic on Verrucaria species.

VC55 Status


Leicestershire & Rutland Map

UK Map