Two new species of Parastagonospora and a new species of Phaeoseptoriella (Phaeosphaeriaceae, Pleosporales) from grasslands in Yunnan Province, China

doi:10.3897/mycokeys.109.134136

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	Two new species of Parastagonospora and a new species of Phaeoseptoriella (Phaeosphaeriaceae, Pleosporales) from grasslands in Yunnan Province, China
	Gao, Ying; Zhong, Tingfang; Eungwanichayapant, Prapassorn Damrongkool; Jayawardena, Ruvishika S.; Hyde, Kevin D.; Faraj, Turki Kh.; Wanasinghe, Dhanushka N.; Gui, Heng
	2024
发表期刊	MYCOKEYS
ISSN	1314-4057
期号	109 页码:239-263
摘要	During our investigation of microfungi on grasslands in Yunnan Province, China, three new fungal taxa associated with grasses were collected. Morphological observations and phylogenetic analyses of the combined SSU, LSU, ITS, tef1-alpha, and rpb2 loci based on maximum likelihood and Bayesian inference were used to reveal the taxonomic placement of these fungal taxa. This study introduces Parastagonospora yunnanensis, Para. zhaotongensis, Phaeoseptoriella poaceicola. Parastagonospora yunnanensis is characterized by ampulliform or globose to subglobose conidiogenous cells, with conidia that are cylindrical to subcylindrical, 0-1-septate, rounded at the apex and slightly truncate at the base. Parastagonospora zhaotongensis features similar globose to sub- globose conidiogenous cells but with 0-3-septate, cylindrical to subcylindrical conidia. Phaeoseptoriella poaceicola is distinguished by its globose to subglobose conidiogenous cells and phragmosporous conidia that are initially hyaline, turn pale yellowish at maturity, and are 7-septate, cylindrical to subcylindrical, either straight or slightly curved. These discoveries underscore the significance of exploring and accurately identifying fungal taxa within Ascomycota, highlighting the species richness and potential for new species discoveries in grass-based habitats. The findings from this study expand our understanding of the taxonomy and phylogeny of grassland-associated Ascomycota, providing a foundation for further ecological and taxonomic studies of these fungi within their natural environments.
DOI	10.3897/mycokeys.109.134136
WOS记录号	WOS:001342242800001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/75748
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Gao, Ying,Zhong, Tingfang,Eungwanichayapant, Prapassorn Damrongkool,et al. Two new species of Parastagonospora and a new species of Phaeoseptoriella (Phaeosphaeriaceae, Pleosporales) from grasslands in Yunnan Province, China[J]. MYCOKEYS,2024(109):239-263.
APA	Gao, Ying.,Zhong, Tingfang.,Eungwanichayapant, Prapassorn Damrongkool.,Jayawardena, Ruvishika S..,Hyde, Kevin D..,...&Gui, Heng.(2024).Two new species of Parastagonospora and a new species of Phaeoseptoriella (Phaeosphaeriaceae, Pleosporales) from grasslands in Yunnan Province, China.MYCOKEYS(109),239-263.
MLA	Gao, Ying,et al."Two new species of Parastagonospora and a new species of Phaeoseptoriella (Phaeosphaeriaceae, Pleosporales) from grasslands in Yunnan Province, China".MYCOKEYS .109(2024):239-263.

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