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(Map updated: 11 August 2009)

This rather distinctive lichen has a grey-green, skin-tight thallus with numerous brown stumpy, jelly-like lumps scattered over the surface that also happen to be the furrowed-stalked discs. It colonises mossy trees (especially the root plates) and rocks in open, but sheltered, old woodland sites. In Ireland, it is most frequent in the west.

Key characteristics

• On mosses/liverworts, thallus a skin with abundant brown, stalked discs
• On the roots of basic-barked trees and on mossy rocks; sheltered woods with broken canopy, western oceanic.

Original text submitted by Vince J. Giavarini