Irish lichens

Lecania sylvestris

Order: Lecanorales       Family: Incertae sedis

Species: Lecania sylvestris

Growth type crustose
Photos: Coachford old cemetery, Co. Cork, SW Ireland.
Identified by John Douglass

The thallus is usually immersed but occasionally thin and inconspicuous or as a few scattered aureoles. The apothecia are orange to dark brown, transulent and with a darker excipular zone that is visible when wet. Microscope photograph below.

Found on calcareous pebbles and shaded limestone, often following small cracks or crevices.

Similar: Lecania hutchinsiae is found on siliceous rock

Lecania sylvestris

Microscope photograph
Lecania sylvestris
Lecania sylvestris . April 2012

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