Amphibambusa aureae (GMB4550, holotype) A type material B ascoma immersed under the surface of host C cross-section of ascoma D, E longitudinal sections of ascomata F peridium G paraphyses H, I asci J a J+ subapical ring bluing in Melzer’s reagent K–M ascospores N culture on PDA. Scale bars: 0.5 mm (C, D); 100 μm (E); 10 μm (F–M).