Kirschsteiniothelia longirosrata (GZCC 23-0733, holotype) a unidentified submerged wood b colonies on natural substrate c, d conidiophores, conidiogenous cells e–g conidiophores, conidiogenous cells bearing conidia h–p conidia (red arrows indicate mucilaginous sheaths) q a germinated conidium; r Upper surface view of culture s lower surface view of culture. Scale bars: 100 μm (c–g); 20 μm (h–q).