Caloplaca oasis
Description
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.
Habitat
On calcareous substrates: limestone, mortar and concrete.
When to see it
All year round
Life History
Occasionally found parasitic on Verrucaria species.
VC55 Status
unknown
Leicestershire & Rutland Map
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