Irish lichens

Lecanora carpinea

Order: Lecanorales       Family: Lecanoraceae

Species: Glaucomaria carpinea (Lecanora carpinea)

Growth type crustose.
Photos: On broadleaf twig. The Gearagh, Co. Cork, SW Ireland.

Thin white to greyish thallus with white prothallus. Apothecia with brownish-grey discs covered by thick white pruina.

Found on the twigs, branches and young trunks of smooth-barked deciduous trees, very rarely occurs on stonework.
Thallus: K+ yellow, C-, P+/- pale yellow, UV-.
Discs C+ yellow or orange, UV+ pale orange.

Similar: Lecanora albella. Apothecial discs C-

Lecanora carpinea

Lecanora carpinea
Immediately above Lecanora carpinea showing C+ yellow reaction. September 2009

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