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Morpho-phylogenetic analyses reveal Elliptolagenoidisporium gen. nov. and a new species associated with the medicinal plant Paris sp. from Guizhou Province, China (Helotiales, Lachnaceae). 形态系统发育分析发现贵州药用植物Elliptolagenoidisporium gen. 11和一新种（Helotiales, Lachnaceae）。

IF 3.6 2区生物学

Mycokeys Pub Date : 2026-04-15 eCollection Date: 2026-01-01 DOI: 10.3897/mycokeys.131.182322

Xiang-Yu Zhang, Min Liu, Jian Ma, Xiao-Fang Chen

{"title":"Morpho-phylogenetic analyses reveal Elliptolagenoidisporium gen. nov. and a new species associated with the medicinal plant Paris sp. from Guizhou Province, China (Helotiales, Lachnaceae).","authors":"Xiang-Yu Zhang, Min Liu, Jian Ma, Xiao-Fang Chen","doi":"10.3897/mycokeys.131.182322","DOIUrl":"https://doi.org/10.3897/mycokeys.131.182322","url":null,"abstract":"A new genus, Elliptolagenoidisporium, is proposed herein to accommodate a novel hyphomycetous fungus, E. paris, isolated from dead branches of the medicinal plant Paris sp. from Guizhou Province, China. Phylogenetic analyses based on a combined dataset of LSU and ITS sequences robustly support the placement of Elliptolagenoidisporium within the family Lachnaceae (Helotiales). Comprehensive morphological descriptions, illustrations, taxonomic notes, and phylogenetic evidence are provided to substantiate the establishment and systematic position of this new genus and species. Currently, Elliptolagenoidisporium is known only from its asexual morph, which is characterized by micronematous, mononematous, solitary, erect, simple or branched, septate, straight or flexuous, cylindrical conidiophores; holoblastic, integrated, terminal, cylindrical to lageniform conidiogenous cells; and acrogenous, solitary, septate, acerose, fusiform, lageniform to ellipsoidal, verrucose, guttulate, smooth or echinulate conidia. The discovery of E. paris provides valuable insights into the species diversity, ecological functions, and biogeographical distribution of saprobic fungi associated with medicinal plants in karst ecosystems.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"131 ","pages":"61-76"},"PeriodicalIF":3.6,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13103668/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147786484","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 additions to Omphalotaceae (Agaricales, Basidiomycota): two new rhizomorph-forming species from China. 孔菌科（木耳门，担子菌门）新增：中国根状形成的两新种。

IF 3.6 2区生物学

Mycokeys Pub Date : 2026-04-09 eCollection Date: 2026-01-01 DOI: 10.3897/mycokeys.131.184214

Ji Peng Li, Jun Gao, Yi Li, Meng Le Xie, Chang Tian Li

引用次数: 0

A polyphasic study of Hypoxylaceae (Xylariales, Ascomycota) in Iran: new species and records from Hyrcanian forests. 伊朗木耳科子囊菌科的多相研究：海卡尼亚森林的新种和记录。

IF 3.6 2区生物学

Mycokeys Pub Date : 2026-04-08 eCollection Date: 2026-01-01 DOI: 10.3897/mycokeys.131.186541

Mohammad Javad Pourmoghaddam, Christopher Lambert, Hermann Voglmayr, Seyed Akbar Khodaparast, Marc Stadler

引用次数: 0

Two new species and four new host records of Fusarium species (Nectriaceae, Hypocreales) associated with Semanotus bifasciatus causing Taxodium hybrid 'Zhongshanshan' dieback. 引起红豆杉杂交种‘中山山’枯死病的双歧山竹镰刀菌2新种和4个寄主记录。

IF 3.6 2区生物学

Mycokeys Pub Date : 2026-04-06 eCollection Date: 2026-01-01 DOI: 10.3897/mycokeys.130.177103

Jiao He, Ning Li, De-Wei Li, Ying Guo, Shan-Shan Chen, Feng Sun, Jun-Wei Wang, Lin Huang

{"title":"Two new species and four new host records of Fusarium species (Nectriaceae, Hypocreales) associated with Semanotus bifasciatus causing Taxodium hybrid 'Zhongshanshan' dieback.","authors":"Jiao He, Ning Li, De-Wei Li, Ying Guo, Shan-Shan Chen, Feng Sun, Jun-Wei Wang, Lin Huang","doi":"10.3897/mycokeys.130.177103","DOIUrl":"https://doi.org/10.3897/mycokeys.130.177103","url":null,"abstract":"Semanotus bifasciatus (Motschulsky) (Cerambycidae, Coleoptera) is a quarantine wood-boring pest that severely damages cypress trees in China and poses a significant threat to forest ecological security. However, the knowledge of Fusarium species associated with this beetle is inadequate in China. In this study, 16 strains of Fusarium were isolated from beetle galleries in infected Taxodium hybrid 'Zhongshanshan' samples. Morphological and molecular multi-locus analyses, based on internal transcribed spacer region of the translation elongation factor 1-alpha (TEF-1α), RNA polymerase largest subunit (RPB1) and RNA polymerase second largest subunit (RPB2) genes, identified four new host records species (F. annulatum, F. fujikuroi, F. ipomoeae and F. oblongum) and two new species (F. semanoti sp. nov. and F. taxodii sp. nov.) are introduced in the present study, with pathogenicity tests confirming all six species could cause T. hybrid 'Zhongshanshan' dieback. This study provides the first documentation of Fusarium diversity associated with S. bifasciatus in China, offering new perspectives for understanding the beetle-fungus symbiotic system and their synergistic pathogenicity to T. hybrid 'Zhongshanshan'.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"130 ","pages":"355-391"},"PeriodicalIF":3.6,"publicationDate":"2026-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13077318/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147693097","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

Putative palm pathogens: Novel species and new host records of leaf disease-associated microfungi (Ascomycota) on Nypa fruticans in Thailand. 假定的棕榈病原体：泰国果蝠上叶病相关微真菌（子囊菌）的新种和新宿主记录。

IF 3.6 2区生物学

Mycokeys Pub Date : 2026-04-06 eCollection Date: 2026-01-01 DOI: 10.3897/mycokeys.130.175665

Herbert Dustin R Aumentado, Ruvishika S Jayawardena, Carlo Chris Apurillo, Chayanard Phukhamsakda, E B Gareth Jones, Eric H C McKenzie, Kevin D Hyde, Long-Feng Yu, Yong Wang

{"title":"Putative palm pathogens: Novel species and new host records of leaf disease-associated microfungi (Ascomycota) on Nypa fruticans in Thailand.","authors":"Herbert Dustin R Aumentado, Ruvishika S Jayawardena, Carlo Chris Apurillo, Chayanard Phukhamsakda, E B Gareth Jones, Eric H C McKenzie, Kevin D Hyde, Long-Feng Yu, Yong Wang","doi":"10.3897/mycokeys.130.175665","DOIUrl":"https://doi.org/10.3897/mycokeys.130.175665","url":null,"abstract":"Nypa fruticans is a true mangrove species that provides numerous economic and ecological contributions to the mangrove ecosystem. Various studies have dealt with fungi associated with mangrove palms; however, most of these are saprobes, and few studies have explored disease-associated microfungi. In this study, fungi were isolated from symptomatic leaves of Nypa fruticans collected in mangrove estuaries in Prachuap Khiri Khan, Thailand. From the 17 isolates obtained, four species were identified using combined morpho-cultural characteristics and molecular phylogenetic analyses; different subsets of loci (from ITS, LSU, ACT, CAL, CHS-1, GAPDH, HIS3, RPB2, TEF1-α, and TUB2) were used per species. Two new species, Brunswickiella nypae and Pestalotiopsis nypae, are described, and two new host records of Colletotrichum siamense and Diaporthe arecae are given. We also provide an updated worldwide list of reported microfungi on N. fruticans. This study addresses a gap in the leaf disease-associated microfungi on N. fruticans and provides a comprehensive overview of the diversity of fungal species on this brackish water palm. By documenting fungal diversity and potential pathogens, our findings support biodiversity conservation and sustainable ecosystem management, directly contributing to SDG 14 (Life Below Water) and SDG 15 (Life on Land) and indirectly to SDG 12 (Responsible Consumption and Production) and SDG 13 (Climate Action) through the protection of mangrove health and resilience.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"130 ","pages":"315-353"},"PeriodicalIF":3.6,"publicationDate":"2026-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13077315/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147693112","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

Taxonomic novelties of Dothiorella and additions to Botryosphaeriaceae from Yunnan, China. 标题云南多角藻属植物的分类新异及添属植物。

IF 3.6 2区生物学

Mycokeys Pub Date : 2026-03-30 eCollection Date: 2026-01-01 DOI: 10.3897/mycokeys.130.183564

Achala R Rathnayaka, Jianwei Liu, Zhuyue Yan, Shimei Yang, Jing Yuan, Xiaofei Shi, Shanping Wan, Dongqin Dai, Indunil C Senanayake, Fuqiang Yu

{"title":"Taxonomic novelties of Dothiorella and additions to Botryosphaeriaceae from Yunnan, China.","authors":"Achala R Rathnayaka, Jianwei Liu, Zhuyue Yan, Shimei Yang, Jing Yuan, Xiaofei Shi, Shanping Wan, Dongqin Dai, Indunil C Senanayake, Fuqiang Yu","doi":"10.3897/mycokeys.130.183564","DOIUrl":"https://doi.org/10.3897/mycokeys.130.183564","url":null,"abstract":"Botryosphaeriaceae is the largest family in Botryosphaeriales, consisting of 22 genera. Members of this family have cosmopolitan distribution, occurring in various life modes: endophytic, saprobic and pathogenic, mainly associated with plants. This study aims to investigate plant-associated saprobic microfungi in Yunnan, China. Here, we establish two novel species in Dothiorella, namely D. fusiformis and D. swieteniae. Both sexual and asexual morphs are provided for D. fusiformis. Additionally, we report two new host records of Barriopsis archontophoenicis S. Konta, Boonmee & K.D. Hyde and D. camelliae W.Li Li & Jian K. Liu. Taxonomic boundaries were confirmed based on morphological characteristics coupled with phylogenetic analyses using maximum likelihood (ML) and Bayesian inference (BI) analyses of combined SSU, LSU, ITS, β-tubulin and tef1-α sequences. Furthermore, the detailed illustrations, comprehensive descriptions, and taxonomic justifications are provided for each species. This study expands our understanding of the taxonomy, diversity and ecological relationships of Botryosphaeriaceae species in China by introducing new species and reporting new host and geographic records.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"130 ","pages":"287-313"},"PeriodicalIF":3.6,"publicationDate":"2026-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13054335/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147640098","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 and phylogenetic characterization of three new Cortinarius (Cortinariaceae, Agaricales) species in Yunnan, China. 文章标题云南三种金针菇（金针菇科，金针菇科）新种形态与系统发育特征。

IF 3.6 2区生物学

Mycokeys Pub Date : 2026-03-27 eCollection Date: 2026-01-01 DOI: 10.3897/mycokeys.130.170601

Tai-Shun Li, Hong-Bin Guan, Yan-Yan Yang, Fang Wu, Qi Zhao, Ying Zhang

{"title":"Morphological and phylogenetic characterization of three new Cortinarius (Cortinariaceae, Agaricales) species in Yunnan, China.","authors":"Tai-Shun Li, Hong-Bin Guan, Yan-Yan Yang, Fang Wu, Qi Zhao, Ying Zhang","doi":"10.3897/mycokeys.130.170601","DOIUrl":"https://doi.org/10.3897/mycokeys.130.170601","url":null,"abstract":"Through comprehensive morphological and phylogenetic investigations (ITS and nrLSU), we have delineated three novel species within Cortinarius, as derived from specimens collected in Yunnan Province, China. Cortinarius mucobrunneus is distinguished by its viscid basidiomata, dark brown pileus adorned with translucent stripes, cinnamon to brown lamellae, white stipe leaving a cinnamon ring on the upper part, and elliptical to amygdaliform, strongly verrucose basidiospores measuring 13.5-16 × 8-10 μm. Cortinarius rugosiviscidus is characterized by sticky basidiomata, a light brown pileus with wrinkled surface, brown lamellae, light brown stipe, and elliptical to amygdaliform, moderately verrucose basidiospores measuring 11.5-15 × 7.5-9.5 μm. Cortinarius saloroides is characterized by its violet pileus with fine fibrous scales, mauve to light brown lamellae, bluish violet stipe leaving a light brown ring on the upper part, and subspherical, broadly elliptical to elliptical, moderately verrucose basidiospores measuring 7-8.5 × 5.5-6.5 μm. Differences between the new species and morphologically similar and phylogenetically related species are discussed.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"130 ","pages":"231-250"},"PeriodicalIF":3.6,"publicationDate":"2026-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13049452/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147623438","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 and phylogenetic analyses revealed Cystidichaete alba gen. et sp. nov. (Phanerochaetaceae, Polyporales) from Southwest China. 形态和系统发育分析表明，中国西南地区存在一种囊毛菌（Cystidichaete alba gen. et sp. 11 .）。

IF 3.6 2区生物学

Mycokeys Pub Date : 2026-03-27 eCollection Date: 2026-01-01 DOI: 10.3897/mycokeys.130.169753

Xunchi Zhang, Daxiang Chen, Changlin Zhao

{"title":"Morphological and phylogenetic analyses revealed Cystidichaete alba gen. et sp. nov. (Phanerochaetaceae, Polyporales) from Southwest China.","authors":"Xunchi Zhang, Daxiang Chen, Changlin Zhao","doi":"10.3897/mycokeys.130.169753","DOIUrl":"https://doi.org/10.3897/mycokeys.130.169753","url":null,"abstract":"Wood-inhabiting fungi are a remarkably diverse group that play a fundamental role in ecosystem processes, particularly in wood degradation and the recycling of organic matter. As pivotal contributors to the intricate balance of forest ecosystems, these fungi are renowned as \"key players\" for their enzymatic prowess and products, which effectively breaks down woody components such as lignin, cellulose, and hemicelluloses. In the present study, a new wood-inhabiting fungal genus Cystidichaete, with its type species C. alba, collected from southwest China, is proposed based on a combination of morphological features and molecular evidence. The new genus Cystidichaete is characterized by the resupinate basidiomata with a smooth hymenophore, a monomitic hyphal system with clamped generative hyphae, abundant lamprocystidia, clavate basidia, and ellipsoid basidiospores. Sequences of the internal transcribed spacers (ITS), nuclear large subunit ribosomal RNA (nLSU), RNA polymerase second largest subunit (rpb2) and translation elongation factor 1-α (tef1-α) of the nuclear ribosomal DNA (rDNA) markers of the studied samples were generated. Phylogenetic analyses were performed using maximum likelihood, maximum parsimony, and Bayesian inference. Multi-locus phylogenetic analysis of ITS+nLSU+rpb2+tef1-α showed that Cystidichaete forms a monophyletic clade within the family Phanerochaetaceae (Polyporales), in which the new genus was grouped closely to Stereophlebia and Gelatinofungus.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"130 ","pages":"265-286"},"PeriodicalIF":3.6,"publicationDate":"2026-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13049449/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147624364","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 Sugitazyma (Trimorphomycetaceae, Tremellales) from China: S. polliae and S. pingtangensis. 中国针叶菌属（三形菌科，银耳目）二新种：S. polliae和S. pingtangensis。

IF 3.6 2区生物学

Mycokeys Pub Date : 2026-03-27 eCollection Date: 2026-01-01 DOI: 10.3897/mycokeys.130.182019

Peng Wang, Chun-Yue Chai, Qiu-Hong Niu, Feng-Li Hui

引用次数: 0

Multi-gene phylogeny and morphological evidence reveal two novel species and two new records of Acrogenospora (Minutisphaerales, Acrogenosporaceae) from aquatic habitats in mainland China. 摘要多基因系统发育和形态学证据揭示了中国大陆水生生境中acrogenspora （Minutisphaerales, acrogensporaceae）的2个新种和2个新记录。

IF 3.6 2区生物学

Mycokeys Pub Date : 2026-03-26 eCollection Date: 2026-01-01 DOI: 10.3897/mycokeys.130.182237

Mei-Xia Wang, Jia-Xin Nie, Ye-Tao Wang, Min Xiong, Jing Wang, Hai-Yan Song, Dian-Ming Hu, Zhi-Jun Zhai

引用次数: 0