Irish lichens

Porina hibernica

Order: Ostropales       Family: Porinaceae

Species: Porina hibernica

Growth type crustose.
Photos: Glengarriff woods, Co. Cork, SW Ireland.
Identified by Andy Acton

Immersed or granular thallus with orange, orange-green or (in shade) brownish-green, richly branched isidia. Clustered groups of irregular black perithecia, to 0.7mm diam. Spores 12-16 septate.

Rare, mainly SW Ireland on the bark of old Oaks in undisturbed woodlands. Chemical reactions negative.

Similar: Porina coralloidea, thallus blackish-grey

Porina hibernica

Porina hibernica

Porina hibernica
Porina hibernica March and April 2010

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