Taxonomic and phylogenetic appraisal of a new holomorphic Neophyllachora species from Chiang Mai, Thailand Author Literatus, Irish C. E. Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand Author Maharachchikumbura, Sajeewa S. N. School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, People’s Republic of China Author Withee, Patchareeya Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand Author Haituk, Sukanya Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand Author Tamakaew, Nisachon Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand Author Nguanhom, Jeerapa Faculty of Agricultural Technology, Chiang Mai Rajabhat University, Chiang Mai 50300, Thailand Author Monkhung, Sararat Crop Production Technology Program, Faculty of Animal Science and Agricultural Technology, Silpakorn University, Phetchaburi Information Technology Campus, Phetchaburi 76120, Thailand Author Thiyagaraja, Vinodhini Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand Author Cheewangkoon, Ratchadawan Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand text Phytotaxa 2023 2023-07-04 600 5 259 271 http://dx.doi.org/10.11646/phytotaxa.600.5.1 journal article 58479 10.11646/phytotaxa.600.5.1 999c1e09-eb28-4077-a669-9489a5865daf 1179-3163 8129400 Key to species of Neophyllachora 1. Parasitic on Ficus , Myrcia and Myrciaria species ..............................................................................................................................2 1’. Parasitic on Psidium species , ascospores thin-walled, short-ellipsoidal covered with thin-walled gelatinous sheath ........................ ..................................................................................................................................................................................... N. subcircinans 2. Parasitic on Ficus , Myrcia species .....................................................................................................................................................3 2’. Parasitic on Myrciaria species , clavate-fusoid asci........................................................................................................ N. myrciariae 3. Parasitic on Myrcia species , fusoid asci, ascospores covered with gelatinous sheath .......................................................................4 3’. Parasitic on Myrcia species , lunate-reniform to half-moon shape ascospores with thick walled ............................. N. truncatispora 4. Elliptic-Oblong ascospores with microguttulate cytoplasm......................................................................................... N. cerradensis 4’. Lunate ascospores with thin-walled ................................................................................................................................... N. myrciae 5. Parasitic on Ficus , globose to ellipsoidal ascospores with gelatinous .............................................................................. N. religiosa 5’. Parasitic on Ficus , globose to subglobose ascospores without gelatinous sheath...................................................................... N. fici