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(Map updated: 11 August 2009)

This ‘dog lichen’ is an uncommon species of mossy tree trunks and fallen timber. The blue-grey or brown thallus is characterised by numerous marginal lobules and a relatively smooth, upper surface. The underside will be seen to have narrow, white, raised veins. In Ireland, the species is known from County Kerry and from one mossy boulder in County Londonderry.

Key characteristics

• Thallus blue-grey to brown, smooth with marginal lobules on the lobes
• Underside with narrow, white raised veins.

NBN Atlas mapping: Species account : NBN Atlas UK Species Observations database

iNaturalist: Species account : iNaturalist World Species Observations database

Original text submitted by Vince J. Giavarini