Order: Lecanorales       Family: Bacidiaceae Species: Toninia sedifolia Earth wrinkles Growth type squamulose. Photos: On earth among rocks. Barley Cove, Cork, SW Ireland. Very variable. Squamules +/- rounded or irregularly-lobed, olive-green to brownish with dense white or bluish pruina. Large black flat or angular discs, pruinose when young, margins becoming excluded. Occurs on calcareous soil and dunes, on short calcareous turf and in crevices in calcareous rocks. Epithecium greyish, K+ violet. Spores 1-septate. Similar: Toninia aromatica

Toninia sedifolia. Barley Cove, Co. Cork. June 2009