Irish lichens

Caloplaca holocarpa
Order: Teloschistales       Family: Teloschistaceae

Species: Athallia holocarpa agg. (Caloplaca holocarpa agg.)

Growth type crustose.
Photos: On churchyard memorial and wall. Co. Cork, Ireland.

Crowded yellow to orange discs, thallus +/- absent. Discs convex with concolous margins which become excluded with age.
Apothecia: K+ crimson / purple.

Occurs mainly on siliceous stone and rocks.

Part of a group of similar species. Caloplaca oasis is found on calcareous stones and mortar. C. pyracea occurs on bark.

Caloplaca holocarpa

Caloplaca holocarpa
Caloplaca holocarpa agg.December 2008 and July 2009

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