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Bacidina sorediata Seaward & Lücking
Nomenclature
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Family: RamalinaceaeGenus: Bacidina
Media
SUMMARY
Mycobank MB 517735
Thallus foliicolous, 5–10 mm across and 15–20 µm thick, dispersed into minute, corticate, granulose to microsquamulose patches 0.05–0.1 x 0.05 mm large, giving the entire thallus a granulose appearance, pale olive green, sorediate; soredia at first discrete, maculiform, becoming in part confluent, farinose, 0.2–0.3(–0.5) mm diam., yellowish white. Photobiont chlorococcoid, cells 5–10 µm diam. Apothecia rounded, 0.25–0.5 mm diam. and 130–180 µm high; disc plane to slightly convex, pale yellow to orange-yellow; margin thin, evanescent, of same color as disc or somewhat paler. Excipulum paraplectenchymatous, 30–50 µm broad. Hypothecium 20–30 µm high, colourless to very pale yellow. Hymenium 40–50 µm high, colourless. Asci clavate, 35–45 x 6–7 µm. Ascospores arranged in bundle, bacillar to very narrowly clavate, tapering towards the proximal end, 25–35 x 1.2–1.7 µm, 17–22 times as long as broad, 3-septate. Pycnidia not observed. Secondary chemistry: no substances detected by TLC.