Family: Ramalinaceae Species: Lecania hutchinsiae Growth type crustose. Chemical results negative Photos: On coastal rocks. Allihies, Co. Cork, SW Ireland. Very variable. The thin grey to grey-brown or greenish-grey thallus has small, strongly convex apothecia, the margins soon excluded. Discs pinkish to brown or piebald, translucent when wet. Spores 1-septate, (9-)10-16 x 3-4.5 µm. Microscope photograph below. Usually found near the coast and can be locally frequent on shaded neutral or siliceous rocks, stone walls, bricks and cliffs Similar: Lecania sylvestris, on calcareous pebbles and limestone

Microscope photograph

Lecania hutchinsiae. April 2012