A peer-reviewed open-access journal MycoKeys 65: 119–138 (2020) Lignicolous freshwater ascomycota from Thailand 119 doi: 10.3897/mycokeys.65.49769 RESEARCH ARTICLE MycoKeys http://mycokeys.pensoft.net Launched to accelerate biodiversity research Lignicolous freshwater ascomycota from Thailand: Phylogenetic and morphological characterisation of two new freshwater fungi: Tingoldiago hydei sp. nov. and T. clavata sp. nov. from Eastern Thailand Li Xu1, Dan-Feng Bao2,3,4, Zong-Long Luo2, Xi-Jun Su2, Hong-Wei Shen2,3, Hong-Yan Su2 1 College of Basic Medicine, Dali University, Dali 671003, Yunnan, China 2 College of Agriculture & Biolo- gical Sciences, Dali University, Dali 671003, Yunnan, China 3 Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand4 Department of Entomology & Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand Corresponding author: Hong-Yan Su (
[email protected]) Academic editor: R. Phookamsak | Received 31 December 2019 | Accepted 6 March 2020 | Published 26 March 2020 Citation: Xu L, Bao D-F, Luo Z-L, Su X-J, Shen H-W, Su H-Y (2020) Lignicolous freshwater ascomycota from Thailand: Phylogenetic and morphological characterisation of two new freshwater fungi: Tingoldiago hydei sp. nov. and T. clavata sp. nov. from Eastern Thailand. MycoKeys 65: 119–138. https://doi.org/10.3897/mycokeys.65.49769 Abstract Lignicolous freshwater fungi represent one of the largest groups of Ascomycota. This taxonomically highly diverse group plays an important role in nutrient and carbon cycling, biological diversity and ecosystem functioning. The diversity of lignicolous freshwater fungi along a north-south latitudinal gradient is cur- rently being studied in Asia.