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Coprinus leucostictus Rediscovered after a Century, Epitypified, and Its Generic Position in Hausknechtia Resolved by Multigene Phylogenetic Analysis of Psathyrellaceae

文献类型： 外文期刊

作者： Nie, Chengfeng 1 ; Wang, Sheng-Nan 1 ; Tkalcec, Zdenko 2 ; Yan, Jun-Qing 1 ; Hu, Yaping 4 ; Ge, Yupeng 5 ; Na, Qin 5 ; Zeng, Hui 3 ; Ding, Hui 4 ; Huo, Guanghua 1 ; Posta, Ana 2 ; Pradeep, C. K. 6 ; Mesic, Armin 2 ;

作者机构： 1.Jiangxi Agr Univ, Jiangxi Key Lab Conservat & Utilizat Fungal Resou, Nanchang 330045, Jiangxi, Peoples R China

2.Rudjer Boskovic Inst, Lab Biol Divers, Zagreb 10000, Croatia

3.Fujian Acad Agr Sci, Inst Edible Mushroom, Natl & Local Joint Engn Res Ctr Breeding & Cultiv, Fuzhou 350011, Peoples R China

4.Minist Ecol & Environm, Nanjing Inst Environm Sci, State Environm Protect Sci Observat & Res Stn Eco, Nanjing 210042, Peoples R China

5.Ludong Univ, Sch Agr, Shandong Key Lab Edible Mushroom Technol, Yantai 264025, Peoples R China

6.Jawaharlal Nehru Trop Bot Garden & Res Inst, Microbiol Div, Thiruvananthapuram 695562, Kerala, India

关键词： Agaricales; Basidiomycota; biogeography; fungi; morphology; taxonomy

期刊名称：DIVERSITY-BASEL （ 影响因子：3.029； 五年影响因子：2.905 ）

ISSN：

年卷期： 2022 年 14 卷 9 期

页码：

收录情况： SCI

摘要： About a century after the first finding in northern Vietnam (1908), Coprinus leucostictus is rediscovered on 12 localities in southern India and southern to southeastern China, growing in evergreen subtropical or tropical forests. It is morphologically a rather unique species with coprinoid basidiomata, strongly branched and diverticulate veil hyphae, and a hymeniderm pileipellis. The BLAST search of ITS and tef-1 alpha sequences showed its close relationship to Hausknechtia floriformis, which is not clear based on morphological characters. Multigene phylogenetic analysis of a concatenated dataset of ITS, LSU, tef-1 alpha, and beta-tubulin sequences, revealed C. leucostictus and H. floriformis as separate, but sister species. Molecular phylogenetic relationships within the family Psathyrellaceae (including 17 genera) are presented in the phylogram. The genera Hausknechtia and Candolleomyces formed two well-supported lineages and were recovered as a monophyletic group. A total of 27 sequences from the genus Hausknechtia were newly generated in this study. Coprinus leucostictus is combined as Hausknechtia leucosticta, its epitype is designated, and the hitherto monotypic genus Hausknechtia is emended. A detailed morphological description of H. leucosticta supplemented with colour photographs and line drawings is provided.

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