Introduction of two novel species of Hymenopellis (Agaricales, Physalacriaceae) from Thailand

doi:10.3897/mycokeys.98.104517

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	Introduction of two novel species of Hymenopellis (Agaricales, Physalacriaceae) from Thailand
	Niego,Allen Grace T.; Thongklang,Naritsada; Hyde,Kevin D.; Raspe,Olivier
	2023
发表期刊	MYCOKEYS
ISSN	1314-4049
期号	98 页码:253-271
摘要	Hymenopellis is the most diverse genus in the group of oudemansielloid/xeruloid taxa (Physalacriaceae). This genus has a worldwide distribution with records mostly from Europe and America. Asian taxa are least represented. In this paper on Hymenopellis from Thailand, two novel species are introduced, and a Hymenopellis collection affine to H. orientalis is described. Macro and micromorphological characters are described. Maximum likelihood and Bayesian phylogenetic analyses were performed on combined ITS and nrLSU regions to confirm taxonomical placement and infer the phylogenetic affinities of the studied species. Hymenopellis straminea sp. nov. is straw-yellow, with medium-sized basidiomata, abundant and diverse in form cheilocystidia, few, narrowly lageniform to fusiform pleurocystidia, and clamp connections at the lower part of the stipe. Hymenopellis utriformis sp. nov. has mostly utriform pleurocystidia and 2-spored basidia. In the inferred phylogenies, the new species from this study formed distinct clades well supported by bootstrap proportions and posterior probabilities. The studied specimen affine to H. orientalis produced 2-spored basidia whereas published descriptions of other specimens mention 4-spored basidia. Moreover, the genetic distance between ITS sequences of this specimen and that of a Hymenopellis orientalis specimen from GenBank was 1.30-2.57%. Therefore, the conspecificity of our specimen with H. orientalis is uncertain, and additional specimens are needed to fully confirm its identity.
关键词	2 new species morphology macrofungi phylogeny Southeast Asia taxonomy FUNGI BASIDIOMYCOTA ALIGNMENT TOOL
DOI	10.3897/mycokeys.98.104517
WOS记录号	WOS:001068748800002
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/75063
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Niego,Allen Grace T.,Thongklang,Naritsada,Hyde,Kevin D.,et al. Introduction of two novel species of Hymenopellis (Agaricales, Physalacriaceae) from Thailand[J]. MYCOKEYS,2023(98):253-271.
APA	Niego,Allen Grace T.,Thongklang,Naritsada,Hyde,Kevin D.,&Raspe,Olivier.(2023).Introduction of two novel species of Hymenopellis (Agaricales, Physalacriaceae) from Thailand.MYCOKEYS(98),253-271.
MLA	Niego,Allen Grace T.,et al."Introduction of two novel species of Hymenopellis (Agaricales, Physalacriaceae) from Thailand".MYCOKEYS .98(2023):253-271.

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