Irish lichens

Pyrenula occidentalis
Order: Pyrenulales       Family: Pyrenulaceae

Species: Pyrenula occidentalis

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

Yellow-brown to creamy orange thallus with brownish flecks. Pseudocyphellae absent. Perithecia to 0.6mm.

Occurs mainly in western half of Ireland on smooth-barked trees in damp, very sheltered sites.
K+ yellowish and purplish in parts, P+ orange, UV+/- yellow


Pyrenula occidentalis

Pyrenula occidentalis
Pyrenula occidentalis. BLS Burren meeting, April 2009

Please contact me if you find errors. All images used are copyright.