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Four new species of Erioscyphella (Leotiomycetes, Helotiales) from southwestern China.
IF 2.8 2区 生物学
Mycokeys Pub Date : 2025-02-14 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.114.138647
Le Luo, Kandawatte W Thilini Chethana, Qi Zhao, Hong-Li Su, Cui-Jin-Yi Li, Vinodhini Thiyagaraja, Fatimah Al-Otibi, Kevin D Hyde
{"title":"Four new species of <i>Erioscyphella</i> (Leotiomycetes, Helotiales) from southwestern China.","authors":"Le Luo, Kandawatte W Thilini Chethana, Qi Zhao, Hong-Li Su, Cui-Jin-Yi Li, Vinodhini Thiyagaraja, Fatimah Al-Otibi, Kevin D Hyde","doi":"10.3897/mycokeys.114.138647","DOIUrl":"10.3897/mycokeys.114.138647","url":null,"abstract":"<p><p><i>Erioscyphella</i> is found across various regions and is part of the family Lachnaceae (Helotiales). It is distinguished by its white to orange disc-shaped apothecia, white to brown receptacles, and granulated hairs that contain amorphous or resinous material. These hairs lack swelling apices and crystals. Additionally, this genus is unique for its long ascospores. In the present study, we collected eight specimens from southwestern China. Morphological and phylogenetic analyses based on the combined LSU, ITS, mtSSU and <i>RPB2</i> dataset showed that our specimens represent four new species of <i>Erioscyphella</i>, including <i>E.ailaoensis</i>, <i>E.baimana</i>, <i>E.gelangheica</i> and <i>E.tengyueica</i>. Here, we provide complete morphological descriptions with illustrations and sequence data essential for future taxonomic and evolutionary research.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"114 ","pages":"29-48"},"PeriodicalIF":2.8,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11845983/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143484388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Description of two new species of Ophiocordyceps: O.sinocampes and O.cystidiata (Ophiocordycipitaceae, Hypocreales) from typical karst landform forests in Guizhou, China.
IF 2.8 2区 生物学
Mycokeys Pub Date : 2025-02-13 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.114.134323
Zhong-Shun Xu, Li-Ping Deng, Hai-Yan Wang, Hui-Ling Tian, Jiao-Jiao Qu, Yong-Dong Dai, Xiao Zou
{"title":"Description of two new species of <i>Ophiocordyceps</i>: <i>O.sinocampes</i> and <i>O.cystidiata</i> (Ophiocordycipitaceae, Hypocreales) from typical karst landform forests in Guizhou, China.","authors":"Zhong-Shun Xu, Li-Ping Deng, Hai-Yan Wang, Hui-Ling Tian, Jiao-Jiao Qu, Yong-Dong Dai, Xiao Zou","doi":"10.3897/mycokeys.114.134323","DOIUrl":"10.3897/mycokeys.114.134323","url":null,"abstract":"<p><p>Karst habitats are hotspots of diversity and endemism. Their naturally fragmented distributions across broad geographic landscapes have led to a complex array of smaller evolutionary ecosystems. Comprehensive biodiversity assessments of karst habitats have revealed that these ecosystems contain a high level of endemism. During a survey of cordycipitoid fungi in the karst region of southwest Guizhou, China, we identified and proposed two new species, based on morphology and multi-locus (nrSSU, nrLSU, <i>tef</i>, <i>rpb1</i>, and <i>rpb2</i>) phylogenetic analyses. <i>O.cystidiata</i> <b>sp. nov.</b> is characterized by gray-white to yellow fertile part, verrucose phialides, and conidia enveloped in a cystic thickened mucus sheath, distinguishing it from other species. <i>O.sinocampes</i> <b>sp. nov.</b> is distinguished by long tapering phialides with inflated bases. Phylogenetic analyses using five loci reveal that <i>O.cystidiata</i> shares a close relationship with <i>O.fenggangensis</i>, <i>O.musicaudata</i>, <i>O.alboperitheciata</i>, and <i>Hirsutellakuankuoshuiensis</i>, while <i>O.sinocampes</i> is closely related to <i>O.multiperitheciata</i> and <i>H.strigosa</i>. Herein, we completed the descriptions, illustrations and molecular phylogeny of these two new species. The host diversity of <i>O.sinocampes</i> has also been documented within the orders Lepidoptera and Coccoidea. Our research further enriches the diversity of cordycipitoid species in the typical karst landform areas of Guizhou, China.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"114 ","pages":"1-27"},"PeriodicalIF":2.8,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11843171/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143484326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Five new epiphytic species of Vishniacozyma (Bulleribasidiaceae, Tremellales) from China.
IF 2.8 2区 生物学
Mycokeys Pub Date : 2025-02-12 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.140598
Shan Liu, Dan-Yang Cai, Chun-Yue Chai, Feng-Li Hui
{"title":"Five new epiphytic species of <i>Vishniacozyma</i> (Bulleribasidiaceae, Tremellales) from China.","authors":"Shan Liu, Dan-Yang Cai, Chun-Yue Chai, Feng-Li Hui","doi":"10.3897/mycokeys.113.140598","DOIUrl":"10.3897/mycokeys.113.140598","url":null,"abstract":"<p><p>The genus <i>Vishniacozyma</i>, globally distributed, encompasses numerous epiphytic and endophytic species. In this study, five new species are proposed to accommodate eleven yeast strains isolated from leaves of different plants: <i>V.diospyri</i> <b>sp. nov.</b> (holotype CICC 33574<sup>T</sup>), <i>V.guiyangensis</i> <b>sp. nov.</b> (holotype CICC 33569<sup>T</sup>), <i>V.pingtangensis</i> <b>sp. nov.</b> (holotype CICC 33596<sup>T</sup>), <i>V.eriobotryae</i> <b>sp. nov.</b> (holotype GDMCC 2.312<sup>T</sup>), and <i>V.tianchiensis</i> <b>sp. nov.</b> (holotype CICC 33617<sup>T</sup>) using phenotypic and phylogenetic characters. Phylogenetic analysis was based on the internal transcribed spacer (ITS) region and the D1/D2 domain of the large subunit (LSU) rRNA gene. Illustrations and descriptions of these five taxa are provided, along with comparative analyses with closely related species within the genus. This research highlights the considerable diversity of <i>Vishniacozyma</i> species in China and contributes valuable data for future investigations in fungal systematics and evolution.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"321-336"},"PeriodicalIF":2.8,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11840432/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Three novel species and a new record of Pleosporales (Didymellaceae, Roussoellaceae) from China.
IF 2.8 2区 生物学
Mycokeys Pub Date : 2025-02-12 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.139934
Shi-Qi Guo, Chada Norphanphoun, Kevin D Hyde, Sha-Min Fu, Jing-E Sun, Xing-Chang Wang, Jiao-Jiao Wu, Fatimah Al-Otibi, Yong Wang
{"title":"Three novel species and a new record of Pleosporales (Didymellaceae, Roussoellaceae) from China.","authors":"Shi-Qi Guo, Chada Norphanphoun, Kevin D Hyde, Sha-Min Fu, Jing-E Sun, Xing-Chang Wang, Jiao-Jiao Wu, Fatimah Al-Otibi, Yong Wang","doi":"10.3897/mycokeys.113.139934","DOIUrl":"10.3897/mycokeys.113.139934","url":null,"abstract":"<p><p>We are investigating saprobic Ascomycota in Guizhou Province, China. Fungal specimens collected from dead wood were identified based on morphological characteristics and multi-gene phylogenetic analyses of ITS, SSU, LSU, <i>β-tubulin</i>, <i>ef1-α</i>, and <i>rpb2</i> sequence data. Three novel species, <i>Neoroussoellaguizhouensis</i>, <i>Roussoellaguizhouensis</i>, and <i>Xenodidymellaguizhouensis</i>, are introduced, along with one new geographical record, <i>Xenoroussoellatriseptata</i>. This study contributes to our understanding of the diversity of Ascomycota in Guizhou Province and the classification in Roussoellaceae.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"295-320"},"PeriodicalIF":2.8,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11840433/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Resin outpourings on conifers are inhabited by more members of Nectriaceae (Hypocreales, Sordariomycetes) than previously thought.
IF 2.8 2区 生物学
Mycokeys Pub Date : 2025-02-12 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.140446
Paweł Czachura, Paulina Janik
{"title":"Resin outpourings on conifers are inhabited by more members of Nectriaceae (Hypocreales, Sordariomycetes) than previously thought.","authors":"Paweł Czachura, Paulina Janik","doi":"10.3897/mycokeys.113.140446","DOIUrl":"10.3897/mycokeys.113.140446","url":null,"abstract":"<p><p>Resin outpourings on conifers are a quite unique habitat occurring in nature. Conifer resins are composed mainly from monoterpenes, sesquiterpenes and resin acids which are recalcitrant to microbial decomposition. Moreover, resins exhibit antimicrobial properties. Despite that, they are colonised by different microorganisms including fungi. They are called resinicolous fungi. They constitute a poorly explored group of the fungal kingdom. In this study, during investigation of resinicolous fungi in Poland, seven strains were assigned to the family Nectriaceae. Phylogenetic analyses of combined ITS, LSU, <i>rpb2</i>, <i>tef1</i> and <i>tub2</i> sequence data were used for molecular identification. As a result, two new species (including a new genus) and two known species were identified. <i>Pulchrosporaresinae</i> <b>gen. et sp. nov.</b> and <i>Cosmosporaelegans</i> <b>sp. nov.</b> were described, characterised and proposed herein. Known species such as <i>Cosmosporaviridescens</i> and <i>Cosmosporellapruni</i> were isolated from resin substrate for the first time.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"337-358"},"PeriodicalIF":2.8,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11840427/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Molecular phylogeny and taxonomy reveal two new genera and five new species in Phanerochaetaceae (Polyporales) from Yunnan, Southwest China.
IF 2.8 2区 生物学
Mycokeys Pub Date : 2025-02-12 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.140624
Ying Xu, Yang Yang, Xin Yang, Daxiang Chen, Wen Zheng, Kaize Shen, Sicheng Zhang, Changlin Zhao
{"title":"Molecular phylogeny and taxonomy reveal two new genera and five new species in Phanerochaetaceae (Polyporales) from Yunnan, Southwest China.","authors":"Ying Xu, Yang Yang, Xin Yang, Daxiang Chen, Wen Zheng, Kaize Shen, Sicheng Zhang, Changlin Zhao","doi":"10.3897/mycokeys.113.140624","DOIUrl":"10.3897/mycokeys.113.140624","url":null,"abstract":"<p><p>In the present study, two new genera <i>Paradonkia</i>, and <i>Neodonkiella</i>, and five new species, <i>viz. Paradonkiafarinacea</i>, <i>Neodonkiellayinjiangensis</i>, <i>Phanerochaetealbocremea</i>, <i>Phanerochaetefissurata</i>, and <i>Phanerochaetepunctata</i> collected from southern China, are proposed based on a combination of morphological features and molecular evidence. <i>Paradonkiafarinacea</i> is characterized by the resupinate, membranaceous basidiomata with pale cream to gray cream hymenial surface and a monomitic hyphal system with simple septa and clamp connections; <i>Neodonkiellayinjiangensis</i> is characterized by soft coriaceous basidiomata, a monomitic hyphal system and ellipsoid basidiospores (3.5-5 × 2-2.5 µm); <i>Phanerochaetealbocremea</i> is characterized by resupinate basidiomata with white to a pale cream hymenial surface, and ellipsoid basidiospores (3.5-5 × 2-3 µm); <i>Phanerochaetefissurata</i> is characterized by gray-brown and cracked hymenial surface, and ellipsoid basidiospores (4-5.5 × 2-3 µm) and <i>Phanerochaetepunctata</i> is characterized by farinaceous basidiomata, a monomitic hyphal system, and ellipsoid basidiospores. Sequences of the internal transcribed spacers (ITS) and the large subunit (nLSU) of the nuclear ribosomal DNA (rDNA) markers of the studied samples were generated. Phylogenetic analyses were performed using the maximum likelihood, maximum parsimony, and Bayesian inference methods. The phylogram based on the ITS+nLSUrDNA gene regions, revealed that two new genera, <i>Paradonkia</i> and <i>Neodonkiella</i>, belong to the family Phanerochaetaceae, and three new species belong to the genus <i>Phanerochaete</i> in the family Phanerochaetaceae.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"263-294"},"PeriodicalIF":2.8,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11840430/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Morphological characteristics and phylogenetic analyses revealed four new species (Basidiomycota) in the Yunnan-Guizhou Plateau, China.
IF 2.8 2区 生物学
Mycokeys Pub Date : 2025-02-12 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.140932
Siyuan He, Lu Wang, Kaize Shen, Hongmin Zhou
{"title":"Morphological characteristics and phylogenetic analyses revealed four new species (Basidiomycota) in the Yunnan-Guizhou Plateau, China.","authors":"Siyuan He, Lu Wang, Kaize Shen, Hongmin Zhou","doi":"10.3897/mycokeys.113.140932","DOIUrl":"10.3897/mycokeys.113.140932","url":null,"abstract":"<p><p>Four new fungi, <i>viz. Clavulinopsiswumengshanensis</i> (Clavariaceae, Agaricales), <i>Henningsomycesbambusae</i> (Porotheleaceae, Agaricales), <i>Xenasmabisterigmatae</i>, and <i>X.guttulata</i> (Xenasmataceae, Russulales), from Yunnan Province in China, are proposed, based on a combination of morphological features and molecular evidence. Phylogenetic analyses were conducted using a combined dataset of internal transcribed space and nuclear ribosomal RNA large subunit sequences. The ITS+LSU analysis showed that <i>Clavulinopsiswumengshanensis</i> <b>sp. nov.</b> groups with <i>C.aurantiocinnabarina</i>, <i>Henningsomycesbambusae</i> <b>sp. nov.</b> forms a sister group with <i>H.candidus</i>, <i>Xenasmabisterigmatae</i> <b>sp. nov.</b> is clustered with <i>X.rimicola</i>, and <i>X.guttulata</i> <b>sp. nov.</b> is clustered with <i>X.pruinosum.</i> The morphology and multi-gene phylogenetic analyses confirmed the placement of the four new taxa. <i>Clavulinopsiswumengshanensis</i> is distinguished by buff-yellow to straw-yellow basidiomata, clavate to subcylindrical basidia with four sterigmata, and subglobose basidiospores with several guttules (7-8.5 × 6-7.5 µm); <i>Henningsomycesbambusae</i> is characterized by white to cream basidiomata with short cylindric to tubular colonies, cylindrical to subcylindrical basidia with two sterigmata and globose to subglobose basidiospores (6.5-8.5 × 6.5-8.5 µm); <i>Xenasmabisterigmatae</i> can be characterized by its membranaceous and ash-grey basidiomata, clavate to subcylindrical basidia with two sterigmata and ellipsoid to subglobose basidiospores (10-12.5 × 8-10.5 µm); <i>X.guttulata</i> is distinguished by membranaceous and white to cream basidiomata, clavate to subcylindrical basidia with two sterigmata and ellipsoid to narrowly ellipsoid basidiospores (7-9 × 5.5-7.5 µm).</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"237-262"},"PeriodicalIF":2.8,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11840434/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143469648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Freshwater fungi in the karst plateau wetlands from Guizhou Province, China: taxonomic novelties in Melanommataceae (Pleosporales).
IF 2.8 2区 生物学
Mycokeys Pub Date : 2025-02-07 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.140684
Ling-Ling Liu, Yong-Xiang Liu, Ya-Ya Chen, Jiu-Lan Gou, Feng Chi, Yi Liu, Xiao-Feng Gu, Quan-Quan Wei, Meng Zhang, Zuo-Yi Liu, Si Zhou
{"title":"Freshwater fungi in the karst plateau wetlands from Guizhou Province, China: taxonomic novelties in Melanommataceae (Pleosporales).","authors":"Ling-Ling Liu, Yong-Xiang Liu, Ya-Ya Chen, Jiu-Lan Gou, Feng Chi, Yi Liu, Xiao-Feng Gu, Quan-Quan Wei, Meng Zhang, Zuo-Yi Liu, Si Zhou","doi":"10.3897/mycokeys.113.140684","DOIUrl":"10.3897/mycokeys.113.140684","url":null,"abstract":"<p><p>Three isolates of interest were collected during an investigation of freshwater fungi from wetlands in the karst regions of Guizhou Province, Southwest China. Phylogenetic analyses using ITS, LSU, SSU, and <i>tef-1α</i> gene regions have revealed the placements of these isolates in Melanommataceae (Pleosporales, Dothideomycetes). Based on the morphological and phylogenetic evidence, three new species are introduced: <i>Byssosphaeriachishuiensis</i> <b>sp. nov.</b>, <i>Camposporiumguizhouense</i> <b>sp. nov.</b>, and <i>C.aquaticum</i> <b>sp. nov.</b> <i>Byssosphaeriachishuiensis</i> is sister to <i>B.villosa</i> and forms a basal branch of <i>Byssosphaeria</i> within Melanommataceae. <i>Byssosphaeriachishuiense</i> is similar to <i>B.villosa</i> in ascal size but differs in the ascomata and ascospore sizes, and the ascospores lack appendages. <i>Camposporiumaquaticum</i> is sister to <i>C.guizhouense</i>, and they form a distinct lineage within the genus. Morphologically, <i>C.aquaticum</i> resembles <i>C.guizhouense</i> in its conidial shape but differs in conidial size. Additionally, PHI analysis is performed to further reveal that <i>C.aquaticum</i> and <i>C.guizhouense</i> have no significant recombination with related taxa. <i>Neobyssosphaeria</i> is synonymized under <i>Byssosphaeria</i>, and accordingly, <i>Byssosphaeriaclematidis</i> <b>comb. nov.</b> is proposed to accommodate <i>Neobyssosphaeriaclematidis</i>. The descriptions, illustrations, and notes of the novel taxa are provided along with an updated phylogenetic tree of Melanommataceae. Two synopses of the species in <i>Byssosphaeria</i> and <i>Camposporium</i> are also provided.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"209-236"},"PeriodicalIF":2.8,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11829198/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143434124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two new species of Micropsalliota (Agaricales, Agaricaceae) from subtropical regions of China.
IF 2.8 2区 生物学
Mycokeys Pub Date : 2025-02-06 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.140599
Jun-Qing Yan, Zhi-Heng Zeng, Ya-Ping Hu, Cheng-Feng Nie, Bin-Rong Ke, Sheng-Nan Wang, Hui Zeng
{"title":"Two new species of <i>Micropsalliota</i> (Agaricales, Agaricaceae) from subtropical regions of China.","authors":"Jun-Qing Yan, Zhi-Heng Zeng, Ya-Ping Hu, Cheng-Feng Nie, Bin-Rong Ke, Sheng-Nan Wang, Hui Zeng","doi":"10.3897/mycokeys.113.140599","DOIUrl":"10.3897/mycokeys.113.140599","url":null,"abstract":"<p><p><i>Micropsalliota</i> is a relatively small genus, with 97 names recorded in previous research. In this study, two new species of <i>Micropsalliota</i>, <i>M.bispora</i> and <i>M.vulgaris</i>, have been identified based on morphological and phylogenetic evidence from subtropical regions of China. Morphologically, <i>M.bispora</i> is characterized by very small basidiomata, cymbiform basidiospores up to 9.0 μm long, white to cream pileus with fawn to dull red center, and tibiiform cheilocystidia; <i>M.vulgaris</i> is recognized by small basidiomata, medium-sized spores, white to cream pileus, covered with reddish brown to dark brown fibrils, various cheilocystidia that are up to 60 μm long, and hyphae of fibrils exhibiting pale brown vacuolar pigmentation. Their distinct taxonomic status is confirmed by the positions of the two new species in 4-locus (ITS, LSU, <i>rpb2</i>, <i>tef-1α</i>) phylogenetic trees. Detailed descriptions and morphological photographs of two new species are presented. To aid in diagnosis, a key to 35 species of <i>Micropsalliota</i> in China is provided.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"193-208"},"PeriodicalIF":2.8,"publicationDate":"2025-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11826227/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143434126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New members of Alternaria (Pleosporales, Pleosporaceae) collected from Apiaceae in Algeria.
IF 2.8 2区 生物学
Mycokeys Pub Date : 2025-02-04 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.138005
Nabahat Bessadat, Nelly Bataillé-Simoneau, Justine Colou, Bruno Hamon, Kihal Mabrouk, Philippe Simoneau
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