Irish lichens

Candelariella aurella

Order: Lecanorales       Family: Candelariaceae

Species: Candelariella aurella

Growth type crustose.
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

Candelariella aurella
Candelariella aurella July 2009

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