Irish lichens
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Order: Lecanorales Family: Ramalinaceae
Species: Bacidina celtica (Bacidia squamellosa auct. brit) Photos: Glengarriff woods, Co. Cork, SW Ireland. N. B. Algae size not checked so photographs are possibly sterile Micarea prasina s. lat, photobiont cells all <8 µm diam. Pale greenish thallus, comprised of delicate, shiny, deeply-cut squamules that resemble branched isidia. Photobiont cells 5-12 µm diam. Apothecia are usually absent, when present and mature they are similar to those of Dimerella lutea. Occurs on the bark of deciduous trees in damp, oceanic woodlands, often overgrowing moss or liverworts. Similar: Sterile, isidiate morphs of Micarea micrococca |
March 2010