Order: Agyriales Family: Agyriaceae
Species: Trapelia glebulosa
Photos: On upland rock. Ballingeary area. Co. Cork, SW Ireland.
Scattered , glossy, white, grey or pink-tinged squamules that form clumps or a +/- continuous, overlapping crust. Thallus margin subsquamulose. Often infertile, apothecia with reddish-pink to brownish discs with thin white margins.
Usually found on nutrient-enriched, upland siliceous rocks. Occasional on worked timber and among rocks on coastal peaty turf. Thallus: C+ red
Similar: T. coarctata and T. placodioides
Trapelia glebulosa. July and August 2009