Species: Lepraria incana
Photos: On Beech and Salix. Macroom area, Cork, SW Ireland.
Specimen left and immediately below identified by B. Coppins
Greenish-grey or pale grey thallus comprised of very small fluffy granules with no clear lobes or white, 'cottony' medulla.
On shaded trees, mosses and acidic rocks.
Chemical reactions negative. UV+ white
Lepraria incana March 2009 and January 2010