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Order: Teloschistales
Family: Teloschistaceae
Species: Teloschistes chrysophthalmus Photos: On well-lit Hawthorn twig. County Cork, SW Ireland. Thallus forms small, compact tufts. Flattened, radiating, irregularly branched lobes, upper surface yellow-orange, lower surface greyish. Soralia absent. Usually abundantly fertile, the bright orange discs are surrounded by conspicuous, eye-lash like fibrils. The asci are 8-spored, spores polarilocular, 10-15 x 5-8 µm. Micro photos below, showing the granular epithecium and trebouxioid photobiont. Mediterranean species found on sheltered, nutrient-rich, well-lit twigs. Rare but increasingly found in the south of Ireland. K+ purple Similar: Teloschistes flavicans |
Microscope photographs
Teloschistes chrysophthalmus, Golden-eye lichen. November 2009