Irish lichens
|
Order: Lecanorales Family: Ramalinaceae
Species: Catinaria atropurpurea Photos: The arboretum, Ardnagashel, Co. Cork, SW Ireland. Thin, evanescent, pale to dark grey-brown thallus that is often minutely granular. Apothecia to 0.75mm, dark reddish-brown to blackish with wide margins. Margins dark brown at outer edge, pale brown or colourless within, becoming excluded with age. Hymenium colourless. Asci 8-spored, spores 1-septate. When sterile the thallus resembles Porina coralloidea. Occurs on rough-barked mature trees and over mosses, usually in Lobarion communities in old woods and parklands. Scattered distribution in Ireland. Chemical reactions and UV negative. Similar: Lecidea hypnorum. UV+ white. Calcareous substrates, rare on bark. |
Catinaria atropurpurea March 2010