Irish lichens

Cetraria aculeata
Order: Lecanorales       Family: Parmeliaceae

Genus: Cetraria aculeata

Growth type fruticose
Photos: Among moss on upland rock. Ballingeary, Cork, SW Ireland.
Identified by Mike Simms

Loose clumps or interwoven mats of glossy chestnut to blackish-brown +/- flattened branches ending in blunt spikes. Elongated pseudocyphellae near axils. Apothecia rare.

Heaths, acid sand dunes, sometimes amongst mosses. Mainly occurs in upland habitats, most frequent in N of Ireland.
Chemical reactions negative.


Cetraria aculeata       Cetraria aculeata

Cetraria aculeata
Cetraria aculeata. Ballingeary, County Cork. February 2009

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