Helminthosporium puerensis (HKAS 137606, holotype). A, B ascomata on a decaying branch of C. arabica; C, D vertical section of ascomata; E peridium wall; F pseudoparaphyses; G–K asci; L–P ascospores; Q an ascospore stained with Indian ink; R germinated ascospore; S culture on PDA from obverse and reverse. Scale bars: 100 μm (D); 20 μm (E–K); 10 μm (L–R).

 
 
  Part of: Lu L, Karunarathna SC, Rajeshkumar KC, Elgorban AM, Jayawardena RS, Hongsanan S, Suwannarach N, Kumla J, Xiong Y-R, Hyde KD, Han M-Y, Zheng D-G, Li Q, Dai D-Q, Tibpromma S (2025) Unveiling fungal diversity associated with coffee trees in China using a polyphasic approach and a global review of coffee saprobic fungi. IMA Fungus 16: e144874. https://doi.org/10.3897/imafungus.16.144874