Morphological and phylogenetic characterisations reveal nine new species of Chrysosporium (Onygenaceae, Onygenales) in China Author Han, Yan-Feng 0000-0002-8646-3975 Institute of Fungus Resources, Department of Ecology, College of Life Sciences, Guizhou University, Guiyang 550025, Guizhou, China. & swallow 1128 @ 126. com; https: // orcid. org / 0000 - 0002 - 8646 - 3975 Author Ge, Wei 0000-0001-9053-3676 Institute of Fungus Resources, Department of Ecology, College of Life Sciences, Guizhou University, Guiyang 550025, Guizhou, China. & gw 18224801010 @ 163. com; https: // orcid. org / 0000 - 0001 - 9053 - 3676 Author Zhang, Zhi-Yuan 0000-0003-2031-7518 Institute of Fungus Resources, Department of Ecology, College of Life Sciences, Guizhou University, Guiyang 550025, Guizhou, China. & zzymetaC 16 @ 163. com; https: // orcid. org / 0000 - 0003 - 2031 - 7518 Author Liang, Jian-Dong 0000-0002-2583-5915 Basic Medical School, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, Guizhou, China. & cordyceps 2005 @ qq. com; https: // orcid. org / 0000 - 0002 - 2583 - 5915 cordyceps2005@qq.com Author Chen, Wan-Hao 0000-0001-7240-6841 Basic Medical School, Guizhou University of Traditional Chinese Medicine, Guiyang 550025, Guizhou, China. & cwhisaria @ 163. com; https: // orcid. org / 0000 - 0001 - 7240 - 6841 Author Huang, Jian- Zhong 0000-0002-1162-544X Engineering Research Center of Industrial Microbiology, Ministry of Education, Fujian Normal University, Fuzhou 350108, Fujian, China. & hjz @ fjnu. edu. cn; https: // orcid. org / 0000 - 0002 - 1162 - 544 X hjz@fjnu.edu.cn Author Liang, Zong-Qi 0000-0003-2867-2231 Institute of Fungus Resources, Department of Ecology, College of Life Sciences, Guizhou University, Guiyang 550025, Guizhou, China. & zqliang 472 @ 126. com; https: // orcid. org / 0000 - 0003 - 2867 - 2231 text Phytotaxa 2022 2022-03-11 539 1 1 16 http://dx.doi.org/10.11646/phytotaxa.539.1.1 journal article 20246 10.11646/phytotaxa.539.1.1 f7096562-d4bf-4519-9a99-d537840fb15e 1179-3163 6345907 Chrysosporium irregularum Y.F. Han, W.H. Chen, J.D. Liang & Z.Q. Liang , sp. nov . (Fig. 5) Mycobank No.: MB 838866 Type: — CHINA . Gansu Province : Dunhuang City , Yumenguan , N40°21’ , E93°51’ , from soil, August 2017 , J.J. Wang , holotype GZAC . J1.1 ; ex-type culture GZU . J1.1 . Colonies on PDA attaining about 35 mm diam. at 26 °C after 14 days, lightly raised in the center, densely villiform, margin sparsely villiform, irregular, yellow; reverse creamy to yellowish. Hyphae septate, smooth, hyaline, 0.5–3.0 μm. Racquet hyphae absent. Conidia abundant, hyaline, smooth, lateral or terminal, arising from aerial hyphae directly or short protrusions, unicellular or bicellular, solitary or in pairs, cylindrical, 3.5–9.5 × 1.0–2.5 μm, or pyriform, 3.5– 5.0 × 1.5–3.0 μm, or irregularly reniform, 3.0–5.0 × 1.5–3.5 μm, with truncate base, basal scars 0.5–1.0 μm; intercalary conidia ellipsoidal, 2.0–15.0 × 1.0–4.0 μm. Chlamydospores absent. Etymology: —Referring to the irregular colony. Additional strains examined: — CHINA . Gansu Province : Dunhuang City , Yumenguan , soil, N24°18 ’’, E09°45 ’’, August 2017 , J.J. Wang , GZAC . J102 , living culture GZU . J102 . Known distribution: —Yumenguan, Gansu Province , China .