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. Ballingeary, County Cork. February 2009