Corylicola italica sp. nov. (MFLU 19–0500, holotype). a–b. appearance of ascomata on a twig of Corylus avellana; c. Longitudinal section of ascomata; d. ascoma neck and ascospore mass (arrowed); e peridium wall; f pseudoparaphyses; g–j. asci; k–l. ascospores; m. germinated ascospore; n–o. culture characteristics on PDA (n = from above, o = from below) Scale bars: a = 200 μm, b–c = 100 μm, d, f–j = 20 μm, e, k–m = 5 μm.