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Calopadia cinereopruinosa Bungartz & Lücking
Nomenclature
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Family: EctolechiaceaeGenus: Calopadia
SUMMARY
Mycobank MB 517741
Thallus corticolous or between bryophytes, continuous or marginally dispersed into rounded, confluent patches, up to 30 mm across and 20–40 µm thick, ecorticate or with an indistinct cortical layer, smooth, pale grey to greenish grey. Apothecia rounded, 0.4–1 mm diam. and 250–350 µm high; disc plane, grey-black and with distinct, white pruina; margin distinct, rather thick and prominent when young, grey-black and white-pruinose. Excipulum 50–70 µm broad. Hypothecium 50–100 µm high, aeruginous. Apothecial base aeruginous. Epithecium 5–10 µm high, granular, grey-brown. Hymenium 120–190 µm high, colourless. Asci 100–170 x 20–30 µm. Ascospores single, oblong-ellipsoid, muriform, 45–80 x 15–25 µm, 3–3.5 times as long as broad, colourless. Campylidia sessile, 0.4–0.7 mm broad; lobe well-developed, hood-shaped, grey but white-pruinose; socle not apparent. Conidia filiform with clavate apex, 3–7-septate, 40–55 x 1–1.5 µm.