Paramphibambusa bambusicola (GMB-W1350, holotype) a bamboo specimen b black ostioles at the host surface c transverse section of ascomata d, e vertical section of ascomata with long necks and black clypeus f cells of peridium g paraphyses h–k asci l asci with J+, elliptical to trapezoidal, subapical ring (stained in Melzer’s reagent) m–s ascospores (s ascospore stained in Indian ink showing mucilaginous sheath) t a germinating ascospore u, v cultures on PDA after 20 days (u upper, v reverse). Scale bars: 300 µm (d, e); 15 µm (f, l–t); 30 µm (g); 50 µm (h–k).