Irish lichens

Pyrenula laevigata 		Order: Pyrenulales       Family: Pyrenulaceae

Species: Pyrenula laevigata

Growth type crustose.
Photos: On hazel. Cathair Chomáin, the Burren, W Ireland.
BLS Burren meeting 2009

White or pale cream thallus without pseudocyphellae and usually without a prothallus. Frequently with +/- globose, black pycnidia forming lines across the thallus. Perithecia (discs) approx 0.3mm.

Rare, occurs on smooth-barked trees, especially hazel. Western oceanic species.
K+ yellow, UV-


Pyrenula laevigata


Pyrenula laevigata



Immediately above: Pyrenula laevigata showing K+ reaction. On Hazel, Ballingeary area, Co.Cork. June 2009

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