Species: Solenopsora holophaea
Photos: On coastal rock. Bantry area, Cork, SW Ireland.
Thallus of overlapping brownish-beige squamules that become greener when wet. Pale rhizines. Sessile chestnut to blackish apothecia that become convex with margins +/- excluded.
Coastal on damp, shaded, often vertical mortar and soft rocks.
Also on soil and in crevices. Chemical reactions negative.
Similar: Psora lurida. Limestone and calcareous rocks and soil.
Solenopsora holophaea. December 2008 and June 2009