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Lophiotrema nucula (from UPS, lectotype). a Ascomata on the host surface. b Section of a partial ascoma. c Peridium structure near the apex. d, h Cylindrical asci in the pseudoparaphyses. e, f Upper part of the asci, showing the small ocular chamber near the apex. h Mature ascospores. i Pseudoparaphyses. Scale bars: a= 0.5 mm, b = 100 μm, c, d=30 μm, e-i =10 μm
