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Order: Lecanorales Family: Micareaceae
Species: Micarea denigrata Photos: On old fence posts. Co. Cork, SW Ireland. Variable. Thallus of greenish-grey areoles, sometimes just a scurfy grey-black crust. Abundant small grey-black to brownish apothecia with +/- indistinct margins. Often +/- sterile on worked timber but then with numerous white-tipped black pycnidia. All parts usually K-, C +/- orange-red A pioneer species on worked timber, also found on untreated fence posts and on rotting wood. |
Micarea denigrata. October 2009 and April 2012