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Uncovering the hidden taxonomic diversity of fungi in Oman

Fungal Diversity 2021年第1期106卷 229-268页

作者： Sajeewa S.N.Maharachchikumbura dhanushka N.wanasinghe Ratchadawan Cheewangkoon Abdullah M.Al-Sadi School of Life Science and Technology University of Electronic Science and Technology of ChinaChengdu 611731People’s Republic of China CAS Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of ScienceKunming 650201YunnanPeople’s Republic of China Entomology and Plant Pathology Department Faculty of AgricultureChiang Mai UniversityChiang MaiThailand Department of Crop Sciences College of Agricultural and Marine SciencesSultan Qaboos UniversityAl-Khod 123Oman

Hot desert regions are undoubtedly challenging to fungal survival on the Arabian Peninsula.Fungi are,however,recognized as the most stress-resistant organisms among all eukaryotes,which could be a result of the rapid evolution of distinct species.Our current understanding of these microorganisms is derived from studies examining only a fraction of the overall fungal diversity.Therefore,further studies are needed to understand the diversity of fungi in desert regions.This paper highlights the taxonomy of several unusual fungal genera collected in a range of aquatic and terrestrial environments in Oman.These taxa were identified based on phylogenetic analyses of nuclear ribosomal DNA(rDNA)(LSU,SSU and ITS)and protein-coding genes(TEF,RPB2 and TUB),plus morphological comparisons.Phylogenetic analyses,including the presently recognized genera in Patellariales resulted in splitting the order into four clades in Dothideomycetes.The new family Holmiellaceae and new order Holmiellales are introduced to include Holmiella.Species of Homortomycetaceae form a well-supported and distinct clade and raise it to Homortomycetales ordo novus.Omania(Halojulellaceae),Desertiserpentica(Lophiostomata-ceae)and Montanitestudina(Testudinaceae)are described as novel genera in Dothideomycetes.A synnematous hyphomycete with basidiomycetous affinity(Corticiales)was also identified and described as Basidiodesertica.Additionally,an asexual morph was observed for Holmiella junipericola;Patellaria quercus is synonymized under P.atrata,and seven new species are described.

关键词： 14 new taxa Ascomycota Basidiomycota Desert Dothideomycetes Patellariales Saprobes

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Taxonomy,phylogeny and evolution of freshwater Hypocreomycetidae(Sordariomycetes)

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Fungal Diversity 2023年第4期121卷 1-94页

作者： Dan‑Feng Bao Kevin D.Hyde Sajeewa S.N.Maharachchikumbura Rekhani H.Perera Vinodhini Thiyagaraja Sinang Hongsanan dhanushka N.wanasinghe Hong‑Wei Shen Xing‑Guo Tian Li‑Quan Yang Sarunya Nalumpang Zong‑Long Luo College of Agriculture and Biological Science Dali UniversityDali 671003YunnanPeople’s Republic of China Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand Department of Entomology and Plant Pathology Faculty of AgricultureChiang Mai UniversityChiang Mai 50200Thailand School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Mushroom Research Foundation 128 M.3 Ban Pa Deng T.Pa PaeA.Mae TaengChiang Mai 50150Thailand Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of ScienceKunming 650201YunnanPeople’s Republic of China World Agroforestry Centre East and Central AsiaKunming 650201YunnanPeople’s Republic of China Innovative Institute for Plant Health Zhongkai University of Agriculture and EngineeringHaizhu DistrictGuangzhou 510225GuangdongPeople’s Republic of China School of Life Science and Technology University of Electronic Science and Technology of ChinaChengdu 611731SichuanPeople’s Republic of China Guizhou Key Laboratory of Agricultural Biotechnology Guizhou Academy of Agricultural SciencesGuiyang 550006GuizhouPeople’s Republic of China College of Life Sciences and Oceanography Shenzhen Key Laboratory of Microbial Genetic EngineeringShenzhen UniversityShenzhen 518060China Research Center of Microbial Diversity and Sustainable Utilization Faculty of SciencesChiang Mai UniversityChiang Mai 50200Thailand Honghe Center for Mountain Futures Kunming Institute of BotanyChinese Academy of SciencesHonghe 654400YunnanPeople’s Republic of China Center for Yunnan Plateau Biological Resources Protection and Utilization Yunnan Engineering Research Center of Fruit WineCollege of Biological Resource and Food EngineeringQujing Normal UniversityQujing 655011YunnanPeople’s Republic of China School of Food and Pharmaceutical Engineering Guizhou Institute of TechnologyGuiyang 550003Gui ZhouPeople’s Republic of China

Hypocreomycetidae is a highly diverse group with species from various habitats. This subclass has been reported as pathogenic,endophytic, parasitic, saprobic, fungicolous, lichenicolous, algicolous, coprophilous and insect fungi from aquatic andterrestrial habitats. In this study, we focused on freshwater fungi of Hypocreomycetidae which resulted 41 fresh collectionsfrom China and Thailand. Based on morphological and phylogenetic analyses, we identified 26 species that belong to twoorders (Hypocreales and Microascales) and six families (Bionectriaceae, Halosphaeriaceae, Microascaceae, Nectriaceae,Sarocladiaceae and Stachybotryaceae). Ten new species are introduced and 13 new habitats and geographic records arereported. Mariannaea superimposita, Stachybotrys chartarum and S. chlorohalonatus are recollected from freshwater habitatsin China. Based on phylogenetic analysis of combined LSU, ITS, SSU, rpb2 and tef1-α sequences data, Emericellopsisis transferred to Hypocreales genera incertae sedis;Pseudoacremonium is transferred to Bionectriaceae;Sedecimiella isplaced in Nectriaceae;Nautosphaeria and Tubakiella are excluded from Halosphaeriaceae and placed in Microascalesgenera incertae sedis;and Faurelina is excluded from Hypocreomycetidae. Varicosporella is placed under Atractium as asynonym of Atractium. In addition, phylogenetic analysis and divergence time estimates showed that Ascocodina, Campylospora,Cornuvesica and Xenodactylariaceae form distinct lineages in Hypocreomycetidae and they evolved in the family/order time frame. Hence, a new order (Xenodactylariales) and three new families (Ascocodinaceae, Campylosporaceae andCornuvesicaceae) are introduced based on phylogenetic analysis, divergence time estimations and morphological characters.Ancestral character state analysis is performed for different habitats of Hypocreomycetidae including freshwater, marineand terrestrial taxa. The result indicates that marine and freshwater fungi evolved independently from terrestrial ancestors.The results further support th

关键词： Ancestral character analysis Divergence time estimates Molecular clock analysis Morphology Phylogeny Freshwater fungi

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A New Record of Aspergillus vadensis (Ascomycota) Isolated from Soil in Yunnan Province,China

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Phyton-International Journal of Experimental Botany 2021年第3期90卷 1031-1039页

作者： Sadia Nadir Sehroon Khan dhanushka N.wanasinghe Saowaluck Tibpromma Shahid Iqbal Jianchu Xu Peter Mortimer CAS Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of ScienceKunming650201China Centre for Mountain Futures Kunming Institute of BotanyKunming654400China Department of Chemistry University of Science and TechnologyBannu28100Pakistan

During a survey of soil fungi in Yunnan Province,several isolates of Aspergillus were obtained.Based on morphology and molecular analyses of internal transcribed spacer regions and intervening 5.8S nrRNA gene(ITS),β-tubulin and calmodulin(CaM)genes sequences,two isolates were identified as Aspergillus vadensis(section Nigri).A phylogenetic tree,detailed descriptions,illustrations and scanned electron microscopy morphology are provided for the new isolates.This is the first record of A.vadensis from China.

关键词： Morphology phylogeny section Nigri soil fungi

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Stagonosporopsis pogostemonis:A Novel Ascomycete Fungus Causing Leaf Spot and Stem Blight on Pogostemon cablin（Lamiaceae）in South China

Stagonosporopsis pogostemonis:A Novel Ascomycete Fungus Caus...

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中国植物病理学会2021年学术年会

作者：罗梅黄影华 MANAWASINGHE Ishara sandeepani dhanushka wanasinghe LIU Jiawei SHU Yongxin ZHAO Minping XIANG Meimei 董章勇 Innovative Institute for Plant Health Zhongkai University of Agriculture and Engineering CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia Kunming Institute of Botany

Pogostemon cablin,is one of the well-known southern Chinese medicinal plants with detoxification,anti 一 bacterial,anti-inflammatory and other pharmacological functions.Identification and characterization of phytopathogens on P.cablin are of great significance for the prevention and control of the diseases.From the spring to summer of 2019 and 2020,a leaf spot disease on Pogostemon cablin was observed in Guangdong Province,South China.The disease incidence was 15% under high temperature and humidity.Pogostemon cablin plants with necrotic leaf spots were collected from the field in Zhanjiang City,Guangdong Province,China（E110°3′,N21°2′） in the spring and summer of 2020.The pathogen was isolated and identified based on both morphological and DNA-based molecular approaches.The molecular identification was conducted using multi-gene sequences analysis of large subunit（LSU）,the nuclear ribosomal internal transcribed spacer（ITS）,beta-tubulin（β-tubulin） and RNA polymerase Ⅱ（rpb2） genes.Two isolates were obtained in this study.The combined sequence data set comprised of these two Stagonosporopsis isolates from this study and 76 reference sequences.The causal organism was identified as Stagonosporopsis pogostemonis,a novel fungal species.Pathogenicity of Stagonosporopsis pogostemonis on P.cablin was fulfilled via confining the Koch’s postulates,causing leaf spots and stem blight disease.Diseased symptoms were characterized by brown spots from the leaf tips.In some cases,these spots can coalesce and form a big scorch-like spot covering a large portion of the leaves.Moreover,some of them form perforation,wither and dropped off.Stagonosporopsis pogostemonis showed the similar symptoms to those in field conditions.

关键词： didymellaceae phoma-like pathogenicity phylogeny

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Biphasic taxonomic approaches for generic relatedness and phylogenetic relationships of Teichosporaceae

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Fungal Diversity 2021年第5期110卷 199-241页

作者： Danushka S.Tennakoon Rajesh Jeewon Kasun M.Thambugala Eleni Gentekaki dhanushka N.wanasinghe Itthayakorn Promputtha Kevin D.Hyde Center for Mountain Futures Kunming Institute of BotanyHonghe County 654400YunnanPeople’s Republic of China School of Science Mae Fah Luang University57100Chiang RaiThailand Center of Excellence in Fungal Research Mae Fah Luang University57100Chiang RaiThailand Department of Health Sciences Faculty of Medicine and Health SciencesUniversity of MauritiusReduitMauritius Genetics and Molecular Biology Unit Faculty of Applied SciencesUniversity of Sri JayewardenepuraGangodawilaNugegoda 10250Sri Lanka Department of Biology Faculty of ScienceChiang Mai UniversityChiang Mai 50200Thailand Innovative Institute of Plant Health Zhongkai University of Agriculture and EngineeringHaizhu DistrictGuangzhouPeople’s Republic of China

The placement of the dothideomycetous family Teichosporaceae has been controversial.Recent phylogenetic investigations have used a taxonomic lumping approach with the Floricolaceae and its genera have been synonymized under the earlier fam-ily name,Teichosporaceae.Intergeneric relationships were therefore obscure and proper generic delimitation was needed in upcoming studies.We here taxonomically revised the family Teichosporaceae based on both morphological and phylogenetic evidence.Teichosporaceae species have immersed or semi-immersed,erumpent to superficial,ostiolate ascomata,cellular or trabeculate pseudoparaphyses,cylindrical to oblong or sub-clavate asci and ellipsoid to oblong or fusiform,cylindric-fusiform or oblong to elliptical,ovoid to clavate,symmetric or asymmetric,initially hyaline or pale brown to dark brown or yellowish brown,1-3-septate or muriform ascospores.Asexual morphs are coelomycetous.Type or representative speci-mens of Teichosporaceae were loaned and fresh specimens were collected from China and Thailand.Maximum likelihood and Bayesian analyses of a combined ITS,LSU,SSU,tef1-αand rpb2 dataset were performed to clarify the phylogenetic affinities of taxa and examine monophyly of newly proposed genera.One new species(Floricola festucae),one new host record(Ramusculicola thailandica)and four new combinations(Aurantiascoma nephelii,A.quercus,Magnibotryascoma acaciae,M.melanommoides)are introduced.The broad genus concept of Teichospora is dismissed based on morphological dissimilarities and the monophyletic status of the proposed genera.We accept Asymmetrispora,Aurantiascoma,Floricola,Magnibotryascoma,Misturatosphaeria,Pseudoaurantiascoma,Pseudomisturatosphaeria,Ramusculicola and Teichospora as distinct genera in the Teichosporaceae.All recognized genera are phenotypically characterized and phylogenetically well-supported.The phylogenetic placements of three genera(Chaetomastia,Loculohypoxylon and Sinodidymella),which do not have molecular data cannot be conclusively clarified at present,but

关键词： 1 new species Dothideomycetes Multi-locus phylogeny Pleosporales Sexual morph Taxonomy

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Evolution of non‑lichenized,saprotrophic species of Arthonia(Ascomycota,Arthoniales)and resurrection of Naevia,with notes on Mycoporum

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Fungal Diversity 2020年第3期102卷 205-224页

作者： Vinodhini Thiyagaraja Robert Lücking Damien Ertz dhanushka N.wanasinghe Samantha C.Karunarathna Erio Camporesi Kevin D.Hyde CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of ScienceKunming 650201YunnanPeople’s Republic of China Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand Department of Entomology and Plant Pathology Faculty of AgricultureChiang Mai UniversityChiang Mai 50002Thailand World Agro Forestry Centre East and Central Asia Kunming 650201YunnanPeople’s Republic of China Botanischer Garten und Botanisches Museum Freie Universitat BerlinKonigin‑Luise‑Str.6-814195 BerlinGermany Research Department Meise Botanic GardenNieuwelaan 381860 MeiseBelgium Service Général de l’Enseignement Supérieur et de la Recherche Scientifique Fédération Wallonie-BruxellesRue A.Lavallée 11080 BrusselsBelgium A.M.B.G.Gruppo Micologico Forlivese“Antonio Cicognani” Via Roma 18ForliItaly A.M.B Circolo Micologico“Giovanni carini”C.P.314BresciaItaly Societa per gli Studi Naturalistici della Romagna C.P.144BagnacavalloRAItaly

Fungi that are barely lichenized or non-lichenized and closely related to lichenized taxa,the so-called borderline fungi,are an important element in reconstructing the evolutionary history of lichenized lineages.Arthoniaceae is a prime example including non-lichenized,saprotrophic lineages which potentially were precursors to lichenized taxa.In this study,we focused on saprotrophic species of Arthonia sensu lato,including new sequence data for Arthonia pinastri.We obtained fresh material of this taxon from a living branch of Fraxinus ornus in Italy to assess its taxonomic status and to elucidate its phylogenetic relationships within Arthonia.Thin sections of the thallus and ascomata of A.pinastri confirmed the absence of a photobiont.Maximum likelihood and Bayesian analyses of combined mtSSU,nuLSU and RPB2 sequence data placed the species close to A.dispersa(barely lichenized or non-lichenized)and A.punctiformis(non-lichenized)in a clade closely related to Arthonia sensu stricto,and the A.pinastri clade is here resurrected under the name Naevia.Ancestral character state analysis within a broader context of Arthoniales does not support the saprotrophic lifestyle to be a plesiomorphic feature,but suggests loss of lichenization in Naevia,as well as loss and possible regain in a second clade containing saprotrophic species and including taxa resembling Mycoporum,underlining the evolutionary plasticity of Arthoniales.These two clades constitute model taxa to further investigate the evolution of alternative biological lifestyles within the context of chiefly lichenized taxa.

关键词： Arthonia susa Arthothelium Evolution Lichenization Mycarthonia Pseudoarthonia Saprobes

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Predicting global numbers of teleomorphic ascomycetes

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Fungal Diversity 2022年第3期114卷 237-278页

作者： Indunil C.Senanayake Dhandevi Pem Achala R.Rathnayaka Subodini N.Wijesinghe Saowaluck Tibpromma dhanushka N.wanasinghe Rungtiwa Phookamsak Nuwan D.Kularathnage Deecksha Gomdola Dulanjalee Harishchandra Lakmali S.Dissanayake Mei-mei Xiang Anusha H.Ekanayaka Eric H.C.McKenzie Kevin D.Hyde Hao-xing Zhang Ning Xie Guangdong Provincial Key Laboratory for Plant Epigenetics College of Life Science and OceanographyShenzhen UniversityNanhai AvenueNanshanShenzhen 3688GuangdongChina Innovative Institute for Plant Health Zhongkai University of Agriculture and EngineeringHaizhu DistrictGuangzhou 510225China Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Honghe Center for Mountain Futures Kunming Institute of BotanyChinese Academy of SciencesHonghe County 654400YunnanChina Centre for Mountain Futures(CMF) Kunming Institute of BotanyKunming 650201YunnanChina CIFOR-ICRAF China Program World Agroforestry(ICRAF)Kunming 650201YunnanChina Beijing Key Laboratory of Environment Friendly Management On Fruit Diseases and Pests in North China Institute of Plant and Environment ProtectionBeijing Academy of Agriculture and Forestry SciencesBeijing 100097China Engineering Research Center of the Utilization for Characteristic Bio-Pharmaceutical Resources in Southwest Ministry of EducationGuizhou UniversityGuiyang 550025GuizhouChina Manaaki Whenua-Landcare Research Auckland Mail CentrePrivate Bag 92170Auckland 1142New Zealand

Sexual reproduction is the basic way to form high genetic diversity and it is beneficial in evolution and speciation of fungi.The global diversity of teleomorphic species in Ascomycota has not been estimated.This paper estimates the species number for sexual ascomycetes based on five different estimation approaches,viz.by numbers of described fungi,by fungus:substrate ratio,by ecological distribution,by meta-DNA barcoding or culture-independent studies and by previous estimates of species in Ascomycota.The assumptions were made with the currently most accepted,“2.2–3.8 million”species estimate and results of previous studies concluding that 90%of the described ascomycetes reproduce sexually.The Catalogue of Life,Species Fungorum and published research were used for data procurement.The average value of teleomorphic species in Ascomycota from all methods is 1.86 million,ranging from 1.37 to 2.56 million.However,only around 83,000 teleomorphic species have been described in Ascomycota and deposited in data repositories.The ratio between described teleomorphic ascomycetes to predicted teleomorphic ascomycetes is 1:22.Therefore,where are the undiscovered teleomorphic ascomycetes?The undescribed species are no doubt to be found in biodiversity hot spots,poorly-studied areas and species complexes.Other poorly studied niches include extremophiles,lichenicolous fungi,human pathogens,marine fungi,and fungicolous fungi.Undescribed species are present in unexamined collections in specimen repositories or incompletely described earlier spe-cies.Nomenclatural issues,such as the use of separate names for teleomorph and anamorphs,synonyms,conspecific names,illegitimate and invalid names also affect the number of described species.Interspecies introgression results in new species,while species numbers are reduced by extinctions.

关键词： Ascomycota Estimates Habitat diversity Molecular techniques Species concepts

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Taxonomic circumscription of Diaporthales based on multigene phylogeny and morphology

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Fungal Diversity 2018年第6期93卷 241-443页

作者： Indunil C.Senanayake Rajesh Jeewon Putarak Chomnunti dhanushka N.wanasinghe Chada Norphanphoun Anuruddha Karunarathna Dhandevi Pem Rekhani H.Perera Erio Camporesi Eric H.C.McKenzie Kevin D.Hyde Samantha C.Karunarathna Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of ScienceKunming 650201YunnanChina World Agroforestry Centre East and Central AsiaKunming 650201YunnanChina Centre of Excellence for Fungal Research Mae Fah Luang UniversityChiang RaiThailand Department of Health Sciences Faculty of ScienceUniversity of MauritiusReduit 80837Mauritius Department of Entomology and Plant Pathology Faculty of AgricultureChiang Mai UniversityChiang Mai 50200Thailand A.M.B.Gruppo Micologico Forlivese Antonio CicognaniVia Roma 18Forlı`Italy A.M.B.Circolo Micologico Giovanni Carini314 BresciaItaly Societa`per gliStudiNaturalisticidella Romagna 144 BagnacavalloRAItaly Manaaki Whenua Landcare Research Private Bag 92170AucklandNew Zealand

Demarcation of family,genus and species boundaries in the Diaporthales has been tentative due to uninformative illus-trations and descriptions,overlapping morphological characteristics,misplacement or poor condition of type specimens and shortage of molecular data from ex-type cultures.In this study,we obtained the type specimens or other authentic specimens of diaporthalean taxa from worldwide fungaria.We examined,described and illustrated them.This study is based on morphological characters from type or authentic specimens,details from protologue and original illustrations and molecular data obtained from GenBank.Combined analyses of nrITS,nrLSU,RPB2 and TEF1-a sequence data were used to construct the molecular phylogeny.Additionally,we provided separate phylogenetic trees for families when necessary to show the generic distribution within these families based on suitable gene markers.Based on morphology and phylogeny,we treat 17 genera previously assigned to Diaporthales genera incertae sedis within several families.For some genera we have designated new generic types as they are lacking type species or type species have affiliations with other families.We exclude Anisomycopsis from Diaporthales and place it in Xylariomycetidae genera incertae sedis.Tirisporellaceae,which was previously placed in Tirisporellales is placed in Diaporthales based on phylogeny and morphology.A new combi-nation,Dendrostoma leiphaemia propose for Amphiporthe leiphaemia(Fr.)Butin.Based on the morphological characters and molecular data we accept 27 families and 138 genera within Diaporthales,24 genera in Diaporthales genera incertae sedis and one genus in Xylariomycetidae genera incertae sedis.We provide notes for genera in Diaporthales genera incertae sedis,and excluded and doubtful genera are listed with notes on their taxonomy and phylogeny.

关键词： Authentic specimens Dendrostoma leiphaemia Incertae sedis Classification Taxonomy Families Accepted genera

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Microfungi on Tectona grandis(teak)in Northern Thailand

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Fungal Diversity 2017年第1期82卷 107-182页

作者： Mingkwan Doilom Asha J.Dissanayake dhanushka N.wanasinghe Saranyaphat Boonmee Jian-Kui Liu D.Jayarama Bhat Joanne E.Taylor Ali.H.Bahkali Eric H.C.McKenzie Kevin D.Hyde Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of Sciences132 Lanhei RoadKunming 650201China Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Institute of Plant and Environment Protection Beijing Academy of Agriculture and Forestry SciencesNo.9 of Shu Guang Hua Yuan Zhong LuHaidian DistrictBeijing 10097China Guizhou Key Laboratory of Agricultural Biotechnology Guizhou Academy of Agricultural SciencesGuiyang 550006GuizhouChina Formerly Department of Botany Goa UniversityTaleigãoGoaIndia No.128/1-J Azad Housing SocietyCurcaGoa VelhaIndia Royal Botanic Garden Edinburgh 20A Inverleith RowEdinburgh EH35LRUK Department of Botany and Microbiology College of ScienceKing Saud UniversityP.O.Box 2455Riyadh 1145Saudi Arabia Manaaki Whenua Landcare Research Private Bag 92170AucklandNew Zealand

To date there is virtually no information available concerning the fungi associated with Tectona grandis(teak)(Lamiaceae)in Thailand.In this study,samples of microfungi were collected from both asymptomatic stems and dead wood,and symptomatic branches,stem and leaves of T.grandisfrom 27 sites in six provinces(Chiang Mai,Chiang Rai,Phayao,Phitsanulok,Phrae and Uttaradit Provinces).Morphology and combined multi-gene phylogeny(CAL,GAPDH,ITS,LSU,RPB2,SSU,TEF1 and TUB)were used to identify taxa.A total of 270 collections,representing 28 fungal species residing in 12 families,7 orders and 21 genera,with three species of uncertain taxonomic placement were identified.Of these,one family,three genera and 14 species are new to science.The new family,Pseudocoleodictyosporaceae is introduced based on its distinct lineage in the Dothideomycetes and its unique morphology as compared to Roussoellaceae and Torulaceae.The new genera are Neooccultibambusa,Pseudocoleodictyospora and Subglobosporium.The newly described species are Diaporthe neoraonikayaporum,D.tectonendophytica,D.tectonae,D.tectonigena,Hermatomyces tectonae,H.thailandica,Manoharachariella tectonae,Neooccultibambusa chiangraiensis,Pseudocoleodictyospora sukhothaiensis,Ps.tectonae,Ps.thailandica,Rhytidhysteron tectonae,Subglobosporium tectonae and Tubeufia tectonae.Fourteen species are known published taxa including Alternaria tillandsiae,Berkleasmium talaumae,Boerlagiomyces macrospora,Ceratocladium purpureogriseum,Fusarium solani,Helicoma siamense,Lasiodiplodia theobromae,Macrovalsaria megalospora,Paradictyoarthrinium diffractum,Phaeoacremonium italicum,Sphaeropsis eucalypticola,Stachybotrys levispora,St.renispora and Thaxteriellopsis lignicola.Epitypifications or reference specimens are designated for Boerlagiomyces macrospora and Macrovalsaria megalospora.Macrovalsaria megalospora is transferred from Botryosphaeriaceae to Dothideomycetes genus,incertae sedis based on taxonomy and phylogenetic analysis,which indicate it is distinct from Botryosphaeriaceae.All fungal

关键词： Ascomycota Basidiomycota Dothideomycetes Sordariomycetes Taxonomy Multi-gene phylogenetics

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Towards a natural classification of Ophiobolus and ophiobolus-like taxa;introducing three novel genera Ophiobolopsis, Paraophiobolus and Pseudoophiobolus in Phaeosphaeriaceae (Pleosporales)

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Fungal Diversity 2017年第6期87卷 299-339页

作者： Rungtiwa Phookamsak dhanushka N.wanasinghe Sinang Hongsanan Chayanard Phukhamsakda Shi-Ke Huang Danushka S.Tennakoon Chada Norphanphoun Erio Camporesi Timur S.Bulgakov Itthayakorn Promputtha Peter E.Mortimer Jian-Chu Xu Kevin D.Hyde Key Laboratory for Plant Biodiversity and Biogeography of East Asia(KLPB) Kunming Institute of BotanyChinese Academy of ScienceKunming 650201YunnanChina World Agro Forestry Centre East and Central Asia132 Lanhei RoadKunming 650201YunnanChina Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand Department of Biology Faculty of ScienceChiang Mai UniversityChiang Mai 50200Thailand School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand A.M.B.Gruppo Micologico Forlivese“Antonio Cicognani”Via Roma 18Forlı`Italy A.M.B.Circolo Micologico“Giovanni Carini” C.P.314BresciaItaly Societa`per gli Studi Naturalistici della Romagna C.P.144BagnacavalloRAItaly Russian Research Institute of Floriculture and Subtropical Crops Yana Fabritsiusa Street2/28Krasnodar RegionSochiRussia 354002

Ophiobolus is a large genus of Phaeosphaeriaceae comprising more than 350 possible species,most of which are saprobes on herbaceous plants in Europe and North America.Ophiobolus species are polyphyletic and the type of Ophiobolus is not represented in GenBank.Therefore,an increased taxon sampling of ophiobolus-like taxa and epitypification of the type species,O.disseminans is reported.Multigene phylogenetic analyses of combined LSU,SSU,TEF1-a and ITS sequence data position O.disseminans in a sister clade with O.ponticus and several Entodesmium species in Phaeosphaeriaceae with high support.Therefore,Entodesmium is synonymized under Ophiobolus.Premilcurensis with it type species,P.senecionis also clusters within the Ophiobolus clade and is synonymized under Ophiobolus.Ophiobolus rossicus sp.***.is introduced and a reference specimen is designated for O.ponticus.Other ophiobolus-like taxa(Ophiobolus sensu lato)can be distinguished as three main groups,which are introduced as new genera.Ophiobolopsis is introduced to accommodate the new species,Ophiobolopsis italica.The new genus Paraophiobolus is introduced to accommodate P.arundinis sp.***.and P.plantaginis comb.nov.This genus is characterized by hyaline to pale yellowish ascospores,some green-yellowish at maturity,with a swollen cell,terminal appendages and ascospores not separating into part spores.Pseudoophiobolus gen.***.is introduced to accommodate six new species and two new combinations,viz.Ps.achilleae,Ps.erythrosporus,Ps.galii,Ps.italicus,Ps.mathieui,Ps.rosae,Ps.subhyalinisporus and Ps.urticicola.Pseudoophiobolus is characterized by subhyaline to pale yellowish or yellowish ascospores,with a swollen cell,lack of terminal appendages and ascospores that do not separate into part spores and is related to Nodulosphaeria.An updated tree for Phaeosphaeriaceae based on multigene analysis is also provided.

关键词： 7 new combinations 11 new taxa Dothideomycetes Epitypification

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