Phylogeny and morphology reveal a new species of Chlorociboria (Chlorociboriaceae, Leotiomycetes) from southwestern China Author Li, Cui-Jin-Yi 0000-0002-2805-7071 Yunnan Key Laboratory of Fungal Diversity and Green Development, Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China & Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand & School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand & Institute of Applied Fungi, Southwest Forestry University, Kunming, Yunnan 650224, China & licuijinyi @ 163. com; https: // orcid. org / 0000 - 0002 - 2805 - 7071 Author Chethana, K. W. Thilini 0000-0002-5816-9269 Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand & School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand & tchethi @ yahoo. com; https: // orcid. org / 0000 - 0002 - 5816 - 9269 tchethi@yahoo.com Author Hyde, Kevin D. 0000-0002-2191-0762 Yunnan Key Laboratory of Fungal Diversity and Green Development, Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China & Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand & School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand & kdhyde 3 @ gmail. com; https: // orcid. org / 0000 - 0002 - 2191 - 0762 kdhyde3@gmail.com Author Zhao, Qi 0000-0001-8169-0573 Yunnan Key Laboratory of Fungal Diversity and Green Development, Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China & Institute of Applied Fungi, Southwest Forestry University, Kunming, Yunnan 650224, China & zhaoqi @ mail. kib. ac. cn; https: // orcid. org / 0000 - 0001 - 8169 - 0573 zhaoqi@mail.kib.ac.cn text Phytotaxa 2022 2022-07-12 554 2 122 134 http://dx.doi.org/10.11646/phytotaxa.554.2.2 journal article 94307 10.11646/phytotaxa.554.2.2 5715cde2-8676-48a1-bcbe-45880ca33752 1179-3163 6820902 The key to the known species in Chlorociboria 1. Symbiotic with bryophytes......................................................................................................................... Chlorociboria lamellicola Not symbiotic with plants...................................................................................................................................................................2 2. Apothecia> 5 mm in diameter ................................................................................................................................. C . aeruginascens Apothecia < 5 mm in diameter ...........................................................................................................................................................3 3. Stem> 5 mm long ........................................................................................................................................................... C . colubrosa Stem < 5 mm long ..............................................................................................................................................................................4 4. Disc dark green or black when dry.....................................................................................................................................................5 Disc not dark green or black when dry.............................................................................................................................................16 5. Receptacle green when dry.................................................................................................................................................................6 Receptacle dark green-brown when dry ................................................................................................................................ C . musae 6. Paraphyses branched ..........................................................................................................................................................................7 Paraphyses unbranched ....................................................................................................................................................................12 7. Ascospores oblong or fusiform to elongate-ellipsoidal......................................................................................................................8 Ascospores filiform, 45–55 μm long................................................................................................................................... C . subtilis 8. Ascospores oblong, 3–4 μm long ................................................................................................................................... C . salviicolor Ascospores fusiform to elongate-ellipsoidal ......................................................................................................................................9 9. Subhymenium with aeruginous pigmented ................................................................................................................... C . omnivirens Subhymenium without aeruginous pigmented .................................................................................................................................10 10. Ascospores <9.0 μm long ..................................................................................................................................... C . novae-zelandiae Ascospores> 9.0 μm long ................................................................................................................................................................11 11. Ascospores 1.7–2.0 μm wide...................................................................................................................................... C . argentinensis Ascospores 2.6–3.8 μm wide............................................................................................................................................. C . daliensis 12. Ascospores fusiform.........................................................................................................................................................................13 Ascospores oblong............................................................................................................................................................................14 13. Tomentum hyphae absent ................................................................................................................................................... C . procera Tomentum hyphae present................................................................................................................................................. C . halonata 14. Tomentum hyphae lacking........................................................................................................................................... C . awakinoana Tomentum hyphae present with smooth-walled...............................................................................................................................15 15. Asci> 95 μm long .......................................................................................................................................................... C . spathulata Asci <95 μm long ......................................................................................................................................................... C . aeruginella 16. Disc yellow.......................................................................................................................................................................................17 Disc not yellow.................................................................................................................................................................................26 17. Disc with whitish bloom...................................................................................................................................................................18 Disc without whitish bloom..............................................................................................................................................................20 18. Ascospores oblong............................................................................................................................................................................19 Ascospores clavate or filiform............................................................................................................................................. C . clavula 19. Ascospores> 21 μm ..................................................................................................................................................... C . macrospora Ascospores <14 μm ................................................................................................................................................. C . campbellensis 20. Paraphyses extending beyond the asci .............................................................................................................................................21 Paraphyses scarcely extending beyond the asci ...............................................................................................................................24 21. Paraphyses up to 5 μm wide............................................................................................................................................... C . solandri Paraphyses less than 3 μm wide .......................................................................................................................................................23 22. Ascospores surrounded by gelatinous sheath 1-1.5 μm thick .................................................................................... C . albohymenia Ascospores without gelatinous sheath..............................................................................................................................................22 23. Ascospores> 7 μm ........................................................................................................................................................ C . metrosideri Ascospores <5 μm ............................................................................................................................................................ C . olivacea 24. Asci> 90 μm long ............................................................................................................................................................................25 Asci <90 μm long ................................................................................................................................................................ C . glauca 25. Ectal excipulum 35–45 μm thick.................................................................................................................................... C . poutoensis Ectal excipulum 60–75 μm thick...................................................................................................................................... C . pardalota 26. Disc off-white to translucent blue-green .......................................................................................................................... C . duriligna Disc orange or green.........................................................................................................................................................................27 27. Disc orange.......................................................................................................................................................................................28 Disc green.........................................................................................................................................................................................29 28. Ascospores filiform ............................................................................................................................................................. C . spiralis Ascospores ellipsoidal ...................................................................................................................................................... C . herbicola 29. Macroscopically pubescent ........................................................................................................................................... C . pteridicola Macroscopically glabrous.............................................................................................................................................. C . aeruginosa