Morphology of Juglanconis oblonga from Juglans regia. A–B habit of acervuli on branches C transverse section through acervulus D longitudinal section through perithecia E longitudinal section through acervulus F conidiophores, conidiogenous cells G conidia H asci and ascospores I ascospores. Scale bars: 10 mm (A), 500 μm (B–E), 20 μm (F–I).