Species: Caloplaca marinaGrowth type crustose
Photos: On coastal rocks near Bantry, Cork, SW Ireland.
Bright orange or yellowish-orange thallus, fragmented and granular or continuous and areolate. Well-developed specimens sometimes with pale prothallus and areoles with small lobes. Small grouped or scattered deeper-orange apothecia with thin, paler margins.
K+ crimson / purple.
Only found on hard coastal rocks and cement.
Similar: Caloplaca maritima
Caloplaca marina on coastal rock. Bantry, Co.Cork. December 2008