Order: Incertae sedis
Species: Fuscidea cyathoidesGrowth type crustose.
Photos: On shaded rocks. Ballingeary area, Cork, Ireland.
Identified by Mike Simms and John Douglass
Very variable, warm-brown or greyish, greenish-white in shade, smooth or rough, cracked or areolate. Surrounded by black prothallus which is often visible between the areoles. Sessile apothecia, convex dark-brown or black discs with paler margins.
K+ dirty-yellow, P+ red, UV-
Widespread throughout Ireland on siliceous upland rocks.
Similar: Fuscidea kochiana and Fuscidea lygaea
Fuscidea cyathoides. December 2008 and August 2009