Order: Teloschistales       Family: Teloschistaceae Species: Caloplaca ochracea Growth type crustose Photos: On limestone. Black Head, the Burren, W Ireland. BLS Burren meeting 2009 Scurfy or continuous patchy pale-yellow to yellow-grey thallus. Dark orange-yellow flat apothecia with thick, slightly paler margins. Apothecia never convex. Mosaic-forming. Occurs among other lichens on limestone. Main distribution in Ireland is in the Burren, Co. Clare and in Co. Antrim. K+ crimson / purple.

Caloplaca ochracea. BLS Burren meeting, April 2009