Caloplaca flavescens

Caloplaca flavescens

The body of this lichens forms yellow to orange neat circles on the substrate, with a pale area inside the outer edge. The centre is often missing, as it often falls out as the lichen matures. Apothecia are common, the discs are a deeper orange with pale margins, packed tightly in the centre of the thallus. Thallus up to 12cm in diameter.

Caloplaca flavescens

Found on hard calcareous rocks, especially in nutrient rich areas. Also found on walls, old headstones and statues. Common and widespread, especially in the south and east.

Caloplaca flavescens

Photographs of Caloplaca flavescens, taken June 2012 on stone walls, Bournemouth, Dorset. © Pete Hillman 2012. Camera used Nikon Coolpix P500.

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