Irish lichens

Psilolechia lucida

Order: Lecanorales       Family: Micareaceae

Species: Psilolechia lucida

Growth type crustose, leprose.
Photos: On headstone. Bantry, Co. Cork, SW Ireland.

Powdery thallus of bright yellow-green, very fine, leprose granules that can form large patches. The small yellowish apothecia are rare and often +/- hidden in the thallus.

Common and widespread on dry, shaded rocks, walls, bricks, stonework and headstones in both rural and urban areas. Rarely found on trees. Chemical reactions negative, UV+ orange.

Psilolechia lucida

Psilolechia lucida
Psilolechia lucida. November 2009

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