Irish lichens
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Order: Lecanorales Family: Candelariaceae
Species: Candelariella aurella Photos: On concrete wall. Macroom, Co. Cork, SW Ireland. Thin, scattered yellow to greenish-yellow granular thallus, sometimes inconspicuous. Thin dark-grey to blackish continuous prothallus. Frequent dispersed or crowded yellow apothecia with simple spores. Chemical reactions: K- (Caloplaca species are K+ red) Occurs on urban walls throughout Ireland on man-made substrates; concrete, cement and mortar. Similar: Candelariella vitellina. |
Candelariella aurella July 2009