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.

Identification difficulty
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

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Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map