Order: Lecanorales Family: Micareaceae
Species: Micarea lignaria var. lignaria
Photos: Ballingeary, Co. Cork, SW Ireland.
Identification confirmed by John Douglass
Thallus of whitish, pale grey or grey-green granules, usually with abundant globose blackish apothecia. Pycnidia +/- immersed.
Common throughout Ireland on acidic substrates. Often found on moss or plant debris, also on peat, timber, shaded rocks and walls.
Thallus: K-, C-, KC-, P+ red. Apothecial section C-
Similar: Micaria lignaria var. endoleuca. C+ yellow-orange, P-
Micarea lignaria var. lignaria. September 2009