Order: Gyalectales       Family: Gyalectaceae Clathroporinopsis nidarosiensis (Belonia nidarosiensis) Growth type crustose, granular. Photos: On wall of Inchigeela Protestant church, Cork, SW Ireland Thin, finely powdery-granular thallus, pinkish-orange or reddish. Usually infertile, when present the scattered apothecia are globose, pale pinkishor orange-red, widely scattered in thalline warts. The spores are muriform and taper to a thin tail. Can be very difficult to separate from free-living Trentepohlia (algae) Chemical reactions negative. Occurs on dry, shaded, vertical surfaces sheltered from direct rainfall. Found on north and east church walls, also on mortar and limestone.

Clathroporinopsis nidarosiensis (Belonia nidarosiensis). On wall of Inchigeela Protestant church. August 2009