Species: Lecanora varia
Photos: On wooden post. Ballineen, Cork, SW Ireland.
Identification very uncertain, needs confirming or correcting
Scattered yellow-grey to grey-green granules, sometimes forming areolate crust. Crowded yellow-brown or green-brown apothecia. Distorted 2-layer thalline margin over-arches young discs.
Early coloniser of sawn wood, fences, tops of posts, hardwood gates. Usually on well-lit horizontal surfaces.
K- or K+ pale yellow, P+ yellow
Lecanora varia on wooden fence post. March 2009