Irish lichens
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Order: Teloschistales Family: Teloschistaceae
Species: Caloplaca cerinella Photos: On Ash twig. Ballingeary, Co. Cork, SW Ireland. Identification confirmed by B. Coppins Thin, smooth, grey to white thallus forming small patches or +/- immersed. Very small closely grouped apothecia, discs pale yellow to orange with paler persistent margins. Asci 12- to 16-spored. Inconspicuous, possibly often overlooked on bark of twigs and small branches of Ash and Elder. Thallus K-, apothecia K+ red-purple Similar: C. cerina. Larger discs with smooth grey margins and the asci are 8-spored. |
Caloplaca cerinella. January 2010