Order: Lecanorales       Family: Lecanoraceae Species: Lecanora antiqua (L. conferta) Growth type crustose. Photos: Macroom protestant church, Co. Cork, SW Ireland. Variable, thallus absent or thick and areolate, warted or smooth, whitish or creamy-grey. Crowded apothecia, very pruinose, discs cream-brown to brown, initially with thick, sometimes crenulate margins. Usually found on mortared church walls, also occurs on vertical surfaces of basic rocks. Thallus: K-, C+ yellow-orange, KC+ yellow-orange, P-, UV+ bright pink. Discs: C+ yellow-orange, UV+ bright pink.

Lecanora antiqua (L. conferta). Protestant church, Macroom, Co. Cork. August 2009