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Morphological characteristics and phylogenetic analyses revealed four new species (Basidiomycota) in the Yunnan-Guizhou Plateau, China. Morphological为云贵高原担子菌科（Basidiomycota） 4个新种的特征及系统发育分析。

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":"Four new fungi, viz. Clavulinopsiswumengshanensis (Clavariaceae, Agaricales), Henningsomycesbambusae (Porotheleaceae, Agaricales), Xenasmabisterigmatae, and X.guttulata (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 Clavulinopsiswumengshanensis sp. nov. groups with C.aurantiocinnabarina, Henningsomycesbambusae sp. nov. forms a sister group with H.candidus, Xenasmabisterigmatae sp. nov. is clustered with X.rimicola, and X.guttulata sp. nov. is clustered with X.pruinosum. The morphology and multi-gene phylogenetic analyses confirmed the placement of the four new taxa. Clavulinopsiswumengshanensis 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); Henningsomycesbambusae 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); Xenasmabisterigmatae 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); X.guttulata 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).","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). 贵州喀斯特高原湿地Freshwater真菌：多孢菌科的新分类。

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":"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 tef-1α 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: Byssosphaeriachishuiensis sp. nov., Camposporiumguizhouense sp. nov., and C.aquaticum sp. nov. Byssosphaeriachishuiensis is sister to B.villosa and forms a basal branch of Byssosphaeria within Melanommataceae. Byssosphaeriachishuiense is similar to B.villosa in ascal size but differs in the ascomata and ascospore sizes, and the ascospores lack appendages. Camposporiumaquaticum is sister to C.guizhouense, and they form a distinct lineage within the genus. Morphologically, C.aquaticum resembles C.guizhouense in its conidial shape but differs in conidial size. Additionally, PHI analysis is performed to further reveal that C.aquaticum and C.guizhouense have no significant recombination with related taxa. Neobyssosphaeria is synonymized under Byssosphaeria, and accordingly, Byssosphaeriaclematidis comb. nov. is proposed to accommodate Neobyssosphaeriaclematidis. 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 Byssosphaeria and Camposporium are also provided.","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. Two中国亚热带小木耳属（木耳科，木耳门）新种。

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 Micropsalliota (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":"Micropsalliota is a relatively small genus, with 97 names recorded in previous research. In this study, two new species of Micropsalliota, M.bispora and M.vulgaris, have been identified based on morphological and phylogenetic evidence from subtropical regions of China. Morphologically, M.bispora 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; M.vulgaris 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, rpb2, tef-1α) phylogenetic trees. Detailed descriptions and morphological photographs of two new species are presented. To aid in diagnosis, a key to 35 species of Micropsalliota in China is provided.","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. New阿尔及利亚蜂科多孢菌属Alternaria （Pleosporales, Pleosporaceae）成员。

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

{"title":"New members of Alternaria (Pleosporales, Pleosporaceae) collected from Apiaceae in Algeria.","authors":"Nabahat Bessadat, Nelly Bataillé-Simoneau, Justine Colou, Bruno Hamon, Kihal Mabrouk, Philippe Simoneau","doi":"10.3897/mycokeys.113.138005","DOIUrl":"10.3897/mycokeys.113.138005","url":null,"abstract":"Alternaria species have often been reported as plant pathogens and are commonly isolated from diseased plant hosts. During an investigation of this genus in Algeria, seven Embellisia-like isolates were collected from Apiaceae. Phylogenetic analysis using sequences at four loci, the internal transcribed spacer of the rDNA region (ITS), glyceraldehyde-3-phosphate dehydrogenase (gpd), translation elongation factor 1-alpha (tef1), and RNA polymerase second largest subunit (rpb2), revealed that these isolates grouped into three sections, namely Embellisia, Embellisioides, and Eureka. Four isolates had significant differences with their closest species and were determined to be new species, namely Alternarialongiformis and A.radicicola spp. nov. The three other isolates of section Eureka were identified as A.eureka and A.hungarica, the latter species being described as a new record in Algeria. Detailed descriptions of new species are provided based on colony color, aspect, diameter, conidial size, septa, sporulation patterns and compared with other relevant Alternaria species within same sections. All these species were weakly pathogenic on carrot, coriander, and fennel under greenhouse experiments. Apiaceae may constitute a reservoir of Alternaria species that could represent potential pathogens for other plant families.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"169-192"},"PeriodicalIF":2.8,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11815330/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143411295","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 new asexual Kirschsteiniothelia species from Guizhou Province, China. Three贵州无性Kirschsteiniothelia新种。

IF 2.8 2区生物学

Mycokeys Pub Date : 2025-02-03 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.139427

Xing-Juan Xiao, Ning-Guo Liu, Jian Ma, Li-Juan Zhang, Dan-Feng Bao, Song Bai, Fatimah Al-Otibi, Kevin D Hyde, Yong-Zhong Lu

引用次数: 0

Morpho-phylogenetic evidence reveals Pseudolomaanthathailandica gen. et sp. nov. and Submultiguttulisporamultiseptata gen. et sp. nov. in Chaetosphaeriaceae. Morpho-phylogenetic证据显示在毛藻科中有pseudoolomaanthathailandica gen. et sp. 11和Submultiguttulisporamultiseptata gen. et sp. 11。

IF 2.8 2区生物学

Mycokeys Pub Date : 2025-01-31 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.142643

Jing-Yi Zhang, Kevin D Hyde, Jian Ma, Na Wu, Fatimah Al-Otibi, Li-Juan Zhang, Yong-Zhong Lu

{"title":"Morpho-phylogenetic evidence reveals Pseudolomaanthathailandica gen. et sp. nov. and Submultiguttulisporamultiseptata gen. et sp. nov. in Chaetosphaeriaceae.","authors":"Jing-Yi Zhang, Kevin D Hyde, Jian Ma, Na Wu, Fatimah Al-Otibi, Li-Juan Zhang, Yong-Zhong Lu","doi":"10.3897/mycokeys.113.142643","DOIUrl":"10.3897/mycokeys.113.142643","url":null,"abstract":"Anamorphic chaetosphaeriaceous fungi exhibit high morphological variability and are distributed worldwide across terrestrial and aquatic habitats. During an ongoing taxonomic study of microfungi, two intriguing chaetosphaeriaceous hyphomycetes were collected from dead wood and dead bamboo stems in China and Thailand. A polyphasic approach, combining morphological characteristics and phylogenetic analysis of LSU and ITS sequence data, revealed that these fungi represent two new genera within Chaetosphaeriaceae. Pseudolomaantha and Submultiguttulispora are proposed for these new genera, and they exhibit non-phialidic and phialidic asexual morphs, respectively. Pseudolomaanthathailandica gen. et sp. nov. is characterized by a sporidesmium-like asexual morph with macronematous, mononematous conidiophores; monoblastic conidiogenous cells, and pyriform to obclavate, rostrate conidia bearing an apical appendage. Submultiguttulisporamultiseptata gen. et sp. nov. is distinguished by macronematous, mononematous conidiophores, mono- to polyphialidic conidiogenous cells, and fusiform or ellipsoidal-fusiform, pale brown to olive green to brown conidia with filiform, hyaline appendages at both ends. Detailed descriptions, illustrations, and notes on the new collections are provided, along with a key to non-phialidic hyphomycetous genera in Chaetosphaeriaceae.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"123-146"},"PeriodicalIF":2.8,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11806344/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383750","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 novel hyphomycetes associated with ferns from China. Two与中国蕨类植物有关的新型菌丝菌。

IF 2.8 2区生物学

Mycokeys Pub Date : 2025-01-31 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.137678

Jing-Yi Zhang, Kevin D Hyde, Li-Juan Zhang, Song Bai, Dan-Feng Bao, Fatimah Al-Otibi, Yong-Zhong Lu

引用次数: 0

Morphology and multigene phylogeny revealed four new species of Geastrum (Geastrales, Basidiomycota) from China. Morphology和多基因系统发育揭示了中国担子菌科Geastrum (Geastrales, Basidiomycota) 4个新种。

IF 2.8 2区生物学

Mycokeys Pub Date : 2025-01-28 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.139672

Xin Yang, Yonggao Zhu, Songjing Duan, Xingxing Wu, Changlin Zhao

{"title":"Morphology and multigene phylogeny revealed four new species of Geastrum (Geastrales, Basidiomycota) from China.","authors":"Xin Yang, Yonggao Zhu, Songjing Duan, Xingxing Wu, Changlin Zhao","doi":"10.3897/mycokeys.113.139672","DOIUrl":"10.3897/mycokeys.113.139672","url":null,"abstract":"In the present study, four new species, Geastrumartocarpicola, G.fibulatum, G.sinense and G.trachelium collected from China, are proposed based on a combination of morphological characteristics and molecular evidence. Geastrumartocarpicola is characterized by shallowly saccate to deep saccate exoperidium, bubble-shaped to flask shaped basidia, spherical basidiospores. G.fibulatum is characterized by shallowly saccate to deep saccate exoperidium, spherical basidiospores, generative hyphae with clamp connections in the mycelium layer. G.sinense has arched exoperidium, long stipe expanded basidiomata, and spherical basidiospores. G.trachelium has deep saccate exoperidium, flask-shaped basidia, and spherical basidiospores. Sequences of the internal transcribed spacers (ITS), large subunit (nrLSU), the largest subunit of ribosomal polymerase II (RPB1), and subunit 6 of ATP synthase (ATP6) of the nuclear ribosomal DNA (rDNA) markers of the studied samples were generated, and the phylogenetic analyses were performed with maximum likelihood, maximum parsimony and Bayesian inference methods. The results showed that our collection clustered within Geastrum but distinctly from the others. Full morphological descriptions, illustrations, and phylogenetic analyses results for the four new species are provided. In addition, G.sanglinense is treated as a synonym of beijingense.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"73-100"},"PeriodicalIF":2.8,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11795189/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143257043","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 arthroconidial yeast species from bark and pit mud in China. Two中国树皮和坑泥中节孢子酵母新种。

IF 2.8 2区生物学

Mycokeys Pub Date : 2025-01-28 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.141799

Hai-Yan Zhu, Yu-Hua Wei, Liang-Chen Guo, Zhang Wen, Shuang Hu, Di-Qiang Wang, Xiao-Long You, En-Di Fan, Shang-Jie Yao, Feng-Yan Bai, Pei-Jie Han

引用次数: 0

Morphological and phylogenetic analyses reveal four novel species of Distoseptispora (Distoseptisporaceae, Distoseptisporales) from southern China. Morphological和系统发育分析揭示了中国南方4个新种（disstoseptispora, disstoseptisporales, disstoseptisporales）。

IF 2.8 2区生物学

Mycokeys Pub Date : 2025-01-27 eCollection Date: 2025-01-01 DOI: 10.3897/mycokeys.113.137082

Ming-Gen Liao, Xing-Xing Luo, Ya-Fen Hu, Rafael F Castañeda-Ruíz, Zhao-Huan Xu, Jian Ma

引用次数: 0