Species: Gyalecta jenensis
Photos: On limestone. Black Head, the Burren, W Ireland.
BLS Burren meeting 2009
Thin light-grey thallus, often pink-tinged. Distinctive pale orange apothecia with thick notched margins are initially spherical.
Found on damp, shaded limestone, also on old church walls.
Chemical reactions negative.
Similar: Gyalecta truncigena, found on basic-barked trees.
Gyalecta jenensis. BLS Burren meeting, April 2009