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Order: Peltigerales
Family: Pannariaceae
Species: Degelia plumbea sens. str. Growth type foliose. Identified by John DouglassPhotos: On Oak. Tomies wood, Killarney, Co. Kerry, SW Ireland. Usually fertile, squamules present but lacks isidia. Thin lobes, bluish-grey, tinged +/- yellow-brown, network of linear maculae most noticeable towards margins. Blue-black hypothallus. Apothecia frequent, light reddish-brown. Ascus 8-spored, spores simple, colourless, 17-25 x 7-10 µm. Microscope photographs below. Chemical reactions negative. Occurs on well-lit trees in un-disturbed woodland, occasionally found on coastal rocks. Most frequent in western Ireland. Similar: Degelia cyanoloma was recently restored to specific rank, having been formerly included with D. plumbea. Also similar: Degelia atlantica and Pannaria rubiginosa |
Microscope photographs
Degelia plumbea sens str. November 2009