Irish lichens
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Order: Lecanorales Family: Lecanoraceae
Species: Lecanora barkmaniana Photos: On Lime. Bantry, Co. Cork, SW Ireland. Identified by Brian Coppins A recently described member of the Lecanora subfuscata group. Finely cracked, powdery, pale greyish thallus with a paler whitish-grey prothallus. Punctiform soralia with pale yellowish-green soredia spread to cover much of the thallus. Apothecia rare, discs pale brown with crenulate greyish margins. Pycnidia are absent. Thalus K+ yellow, C-, P-, rarely P+ yellow Found on dust- or nutrient-enriched wayside trees. Scattered distribution in Ireland, probably under-recorded. Similar: L. compallens, K-, C-. L. expallens, C+ orange |
Lecanora barkmaniana May 2010