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Multiple origin of the lichenicolous life habit in Helotiales,based on nuclear ribosomal sequences

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Fungal Diversity 2015年第1期70卷 55-72页

作者： Ave Suija Damien Ertz James D.Lawrey paul diederich Institute of Ecology and Earth Sciences University of Tartu40 Lai st.EE-51005 TartuEstonia Département Bryophytes et Thallophytes Jardin botanique national de BelgiqueDomaine de BouchoutB-1860 MeiseBelgium Department of Environmental Science and Policy George Mason UniversityMSN 5G810900 University BoulevardManassasVA 20110-2203USA Musée national d’historie naturelle 25 rue MunsterL-2160 LuxembourgLuxembourg

The Helotiales are an ecologically and morphologically highly diverse group of ascomycetes that also includes lichen-inhabiting(lichenicolous)species.We generated sequence data of three rDNA regions(nuSSU,nuLSU,5.8S of ITS)from 28 lichenicolous specimens representing nine genera in order to determine their phylogenetic placement.Based on the most complete dataset of helotialean fungi to date,the analyses were performed using Maximum Likelihood(ML)and Bayesian approaches.Our results suggest that 1)the lichen-inhabiting life-style in Helotiales was subjected to gains or losses at least three times;2)Thamnogalla,previously tentatively included in Ostropales,is shown to belong to Helotiales;3)ascomata found intermixed with pycnidia of the asexual Diplolaeviopsis ranula and possessing the same pigments are tentatively considered as the sexual morph of this taxon,and are shown to belong to Helotiales;4)the lichenicolous species of cf.Diplolaeviopsis,Llimoniella,Rhymbocarpus,Skyttea,Thamnogalla and Unguiculariopsis form a well-supported clade together with non-lichenicolous encoelioid fungi from the genera Ionomidotis,Cordierites and Encoelia;5)Geltingia associata forms a highly supported clade with the fungicolous asexual fungus Eleutheromyces subulatus,whereas Pezizella epithallina clusters with an aquatic asexual fungus Tetracladium sp.;6)Phaeopyxis punctum belongs to Ostropomycetidae(Lecanoromycetes),but its deep relationships to other groups remain unresolved based on rDNA sequences.

关键词： Convergence Helotiales rDNA Taxonomy Diplolaeviopsis Geltingia Llimoniella Pezizella Phaeopyxis Rhymbocarpus Skyttea Thamnogalla Unguiculariopsis

Molecular data resolve a new order of Arthoniomycetes sister to the primarily lichenized Arthoniales and composed of black yeasts, lichenicolous and rock-inhabiting species

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Fungal Diversity 2014年第3期66卷 113-137页

作者： Damien Ertz James D.Lawrey Ralph S.Common paul diederich Jardin botanique national de Belgique Domaine de BouchoutB-1860 MeiseBelgium Department of Environmental Science and Policy George Mason University4400 University DriveFairfaxVA 22030-4444USA 534 Fenton St LansingMI 48910USA P.Diederich Musée national d’histoire naturelle 25 rue MunsterL-2160 LuxembourgLuxembourg

Lichenicolous fungi belonging to the anamorphtypified genus Phaeosporobolus and to the teleomorph-typified genus Lichenostigma were isolated in pure culture or sequenced directly,with nuLSU and mtSSU sequences obtained.Phylogenetic analyses place the species of Phaeosporobolusin a strongly supported clade with the generic type of Lichenostigma(L.maureri),the genus Phaeococcomyces and several melanized rock-inhabiting isolates.This strongly supported nonlichenized lineage is sister to the primarily lichenized Arthoniales in the Arthoniomycetes and is here described as the Lichenostigmatales.The new order is characterized by cells multiplying by budding,either representing black yeasts,or species in which conidiomata and ascomata are entirely made of an organised agglomeration of spherical yeast-like cells.This way of life is not only very different from all other Arthoniomycetes that exist only in the mycelial stage,but ascomata and conidiomata representing a dense and organised agglomeration of yeast cells might be unique amongst fungi.A further difference with the Arthoniales is the absence of paraphysoids.Phylogenetic results suggest that Phaeosporobolus usneae is the asexual stage of Lichenostigma maureri.Most species of Phaeosporobolus are transferred to the genus Lichenostigma except P.trypethelii,for which the new genus Etayoa is described.The genus Diederimyces is reduced into synonymy with Lichenostigma.Several other members of Lichenostigma are placed in the Dothideomycetes and are intermixed with Lichenothelia species.

关键词： Anamorphic fungi Arthoniomycetes Dothideomycetes Lichenostigmatales Phaeococcomycetaceae Yeasts

Molecular data place the hyphomycetous lichenicolous genus Sclerococcum close to Dactylospora (Eurotiomycetes) and S. parmeliae in Cladophialophora (Chaetothyriales)

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Fungal Diversity 2013年第1期58卷 61-72页

作者： paul diederich Damien Ertz James D.Lawrey Masoumeh Sikaroodi Wendy A.Untereiner Musée national d’histoire naturelle 25 rue MunsterL-2160LuxembourgLuxembourg Jardin botanique national de Belgique Département bryophytes-thallophytesDomaine de BouchoutB-1860MeiseBelgium Department of Environmental Science and Policy George Mason University4400 University DriveFairfaxVA 22030-4444USA Department of Biology Brandon UniversityBrandonMB R7A 6A9Canada

The lichenicolous anamorphic fungus Sclerococcum parmeliae was isolated in pure culture,and ITS,nuLSU and mtSSU sequences were obtained from these isolates.For comparison,sequences from S.sphaerale,the generic type,were obtained directly from freshly collected specimens.Phylogenetic analyses place S.sphaerale with species of Dactylospora and an unidentified lichen-inhabiting isolate in a strongly supported clade that is sister to a lineage comprising members of the Chaetothyriales and Pyrenulales.In contrast,S.parmeliae is inferred as a member of the Herpotrichiellaceae(Chaetothyriales)and belongs to a robustly supported clade that also includes species of Cladophialophora,Capronia semiimmersa,and Phialophora verrucosa.Within the Herpotrichiellaceae,S.parmeliae most closely resembles members of the anamorph genus Cladophialophora.Accordingly,we propose the transfer of S.parmeliae and the morphologically similar species S.cladoniae,S.hawksworthii and S.normandinae to Cladophialophora.A new lichenicolous species,Clad.megalosporae,collected twice on Megalospora in Florida and Papua New Guinea,is also described.

关键词： Anamorphic fungi Capronia Conidial fungi Hyphomycetes Parasitic fungi

Briancoppinsia,a new coelomycetous genus of Arthoniaceae(Arthoniales)for the lichenicolous Phoma cytospora,with a key to this and similar taxa

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Fungal Diversity 2012年第1期52卷 1-12页

作者： paul diederich James D.Lawrey Masoumeh Sikaroodi Pieter P.Gvan den Boom Damien Ertz Musée national d’histoire naturelle 25 rue Munster2160 LuxembourgLuxembourg Department of Environmental Science and Policy George Mason University4400 University DriveFairfaxVA 22030-4444USA Arafura 16 5691 JA Sonthe Netherlands Jardin Botanique National de Belgique Domaine de Bouchout1860 MeiseBelgium

Morphological,anatomical,chemical and molecular data suggest that a relatively common lichenicolous coelomycete on Lecanora conizaeoides is conspecific with Phoma cytospora,previously known only from parmelioid lichens,and that further populations on Cladonia and Pertusaria belong to the same species.This species is distinguished from Phoma by several taxonomically important characters and obviously represents a previously unrecognized genus,for which the name Briancoppinsia is introduced.Phylogenetic analyses using nuLSU and mtSSU sequences of isolates obtained in pure culture suggest that the new genus belongs to the Arthoniaceae(Arthoniales).This is the first obligate lichenicolous,non-lichenized anamorph confirmed to belong to the Arthoniales based on molecular data.

关键词： Anamorphic fungi Arthonia Conidial fungi Mitosporic fungi

Phylogenetic placement of lichenicolous Phoma species in the Phaeosphaeriaceae(Pleosporales,Dothideomycetes)

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Fungal Diversity 2012年第4期55卷 195-213页

作者： James D.Lawrey paul diederich Matthew P.Nelsen Colin Freebury Dries Van den Broeck Masoumeh Sikaroodi Damien Ertz Department of Environmental Science and Policy George Mason University4400 University DriveFairfaxVA 22030-4444USA Musée national d’histoire naturelle 25 rue MunsterL-2160 LuxembourgLuxembourg Committee on Evolutionary Biology University of Chicago1025 E.57th StreetChicagoIL 60637USA Department of Botany The Field Museum1400 S.Lake Shore DriveChicagoIL 60605USA Canadian Museum of Nature P.O.Box 3443Station DOttawaON K1P 6P4Canada Jardin Botanique National de Belgique Domaine de BouchoutB–1860 MeiseBelgium

More than twenty species of lichenicolous fungi have been described in Phoma,a large anamorphic genus of primarily plant-associated pathogens with broad geographic distributions.We obtained nuclear and mitochondrial rDNA sequences from 19 fungal cultures isolated from specimens representing four described and two undescribed lichenicolous species in the genus.Our multilocus phylogeny indicates that lichenicolous Phoma species represent at least two phylogenetically distinct clades in the Phaeosphaeriaceae,one including a new species,Phoma puncteliae,isolated from a specimen of Punctelia rudecta collected inMaryland,USA,and another group of primarily lichenicolous species.This latter group includes four described lichenicolous Phoma species,an unidentified melanized rock fungus,and a new lichenicolous Phoma species isolated from Xanthomendoza species collected in Canada that we are naming P.xanthomendozae.Some specimens in this clade collected from different lichen genera and species were found to be very similar genetically,which calls into question the recent practice of recognizing lichenicolous Phoma species mainly by differences in host preference.

关键词： Anamorphic fungi Coelomycetes Conidial fungi Parasitic fungi

Phylogenetic insights resolve Dacampiaceae(Pleosporales)as polyphyletic:Didymocyrtis(Pleosporales,Phaeosphaeriaceae)with Phoma-like anamorphs resurrected and segregated from Polycoccum(Trypetheliales,Polycoccaceae fam.nov.)

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Fungal Diversity 2015年第5期74卷 53-89页

作者： Damien Ertz paul diederich James D.Lawrey Franz Berger Colin E.Freebury Brian Coppins Alain Gardiennet Josef Hafellner Department Bryophytes-Thallophytes(BT) Botanic Garden MeiseNieuwelaan 38B-1860 MeiseBelgium Musée national d’histoire naturelle 25 rue MunsterL-2160 LuxembourgLuxembourg Department of Biology George Mason University4400 University DriveFairfaxVA 22030USA Raiffeisenweg 130 A-4794 KopfingAustria Canadian Museum of Nature PO Box 3443Stn.BDOttawaOntarion K1P 6P4Canada Royal Botanic Garden Edinburgh 20A Inverleith RowEdinburgh EH35LRUK 14 rue Roulette F-21260 VéronnesFrance Institute for Plant Sciences NAWI GrazKarl-Franzens-University GrazHolteigasse 6A-8010 GrazAustria

A phylogenetic analysis of nuLSU and ITS sequences representing genera previously included in Dacampiaceae indicates that the family is strongly polyphyletic and that the type species of Dacampia is placed in Pleosporales.The genus Munkovalsaria s.***.is placed in Didymosphaeriaceae(Pleosporales).Polycoccum s.***.and two species of Clypeococcum are shown to form a new lineage sister to the Trypetheliaceae in Trypetheliales and described here as Polycoccaceae.Other members of Polycoccum s.***.are included in the Pleosporales and are closely related to lichenicolous Phoma-like species of the family Phaeosphaeriaceae.The genus Didymocyrtis is resurrected for these species and for lichenicolous species previously assigned to diederichia,diederichomyces,Leptosphaeria and Phoma.The genera diederichia and diederichomyces are synonymized with Didymocyrtis.The new combinations Didymocyrtis bryonthae,D.cladoniicola,D.foliaceiphila,D.infestans,D.kaernefeltii,D.melanelixiae,D.pseudeverniae,D.ramalinae,D.slaptoniensis and D.xanthomendozae are made,and the new name D.epiphyscia is introduced for Phoma physciicola.Some anamorph-teleomorph relationships are resolved,such as Didymocyrtis ramalinae–Phoma ficuzzae and Didymocyrtis consimilis–Phoma caloplacae,the phylogenetic results being supported by single ascospore cultures that lead to the asexual stage producing pycnidia and conidia in culture.Speciation by host switching is assumed to be important in the genus Didymocyrtis.An identification key to Didymocyrtis species is provided.

关键词： Dothideomycetes Leptosphaeria diederichia diederichomyces Lichenicolous fungi Phylogeny

Taxonomy and phylogeny of dematiaceous coelomycetes

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Fungal Diversity 2016年第2期77卷 1-316页

作者： Nalin N.Wijayawardene Kevin D.Hyde Dhanushka N.Wanasinghe Moslem Papizadeh Ishani D.Goonasekara Erio Camporesi D.Jayarama Bhat Eric H.C.McKenzie Alan J.L.Phillips paul diederich Kazuaki Tanaka Wen Jing Li Narumon Tangthirasunun Rungtiwa Phookamsak Dong-Qin Dai Asha J.Dissanayake Gothamie Weerakoon Sajeewa S.N.Maharachchikumbura Akira Hashimoto Misato Matsumura Ali HBahkali Yong Wang Department of Plant Pathology Agriculture CollegeGuizhou UniversityGuiyang 550025People’s Republic of China School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Center of Excellence in Fungal Research and School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of Sciences132 Lanhei RoadKunming 650201People’s Republic of China World Agroforestry Centre East and Central Asia132 Lanhei RoadKunming 650201YunnanPeople’s Republic of China Microorganisms Bank Iranian Biological Resource Center(IBRC)Academic Center for EducationCulture and Research(ACECR)TehranIran A.M.B.Gruppo Micologico Forlivese Antonio CicognaniVia Roma 18ForlìItaly A.M.B.Circolo Micologico Giovanni CariniC.P.314BresciaItaly Societàper gli Studi Naturalistici della Romagna C.P.144BagnacavalloRAItaly No.128/1-J Azad Housing SocietyCurcaP.O.Goa Velha 403108India Department of Botany Goa UniversityGoa 403206India Manaaki Whenua Landcare Research Private Bag 92170AucklandNew Zealand Faculty of Sciences Biosystems and Integrative Sciences Institute(BioISI)University of LisbonCampo Grande1749-016 LisbonPortugal Musée national d’histoire naturelle 25 rue MunsterL-2160 LuxembourgLuxembourg Faculty of Agriculture and Life Science Hirosaki University3 Bunkyo-choHirosakiAomori 036-8561Japan Laboratoire Interdisciplinaire des Energies de Demain(LIED) UniversitéParis Diderot5 rue Thomas-MannParis 75013France Guizhou Key Laboratory Agro-Bioengineering Guizhou UniversityGuiyangGuizhou 550025People’s Republic of China Center for Research and Development of Fine Chemicals of Guizhou University Guiyang 550025People’s Republic of China Scientific Affiliate Integrative Research CenterScience&EducationThe Field MuseumChicagoILUSA Guizhou Key Laboratory of Agricultural Biotechnology Guizhou Academy of Agricultural SciencesXiaohe DistrictGuiyang CityGuizhou Province 550006People’s R

t Coelomycetous fungi are an artificial taxonomic group which produce conidia inside a cavity i.***.conidiomata.Coelomycetes comprise about,1000 genera and 7000 species,which can be endophytic,pathogenic or saprobic.Traditional classification of coelomycetes was previously based on morphology,such as the shape of conidiomata and mode of conidiogenesis,while it was treated as a distinct group i.e.Deuteromycotina.Sequence based taxonomic studies has been used to accommodate asexual fungi in a natural classification system,resolve generic boundaries of polyphyletic genera and species complexes,as well as establish asexual-sexual links.Nevertheless,most of genera lack sequence data,thus,morphology based identification is still important when introducing new genera or species.In this paper we illustrate,describe,and provide taxonomic notes for 235 dematiaceous coelomycetous genera,including five new genera viz.Apiculospora,Didymellocamarosporium,Melanocamarosporium,Melnikia and paulkirkia.Phylogenetic analyses of combined sequence data are provided to show placements of dematiaceous coelomycetes in Dothideomycetes,Leotiomycetes and Sordariomycetes.One-hundred and fifty-two(65%)of genera have sequence data,thus,their taxonomic placement in a natural classification system,is listed as an outline.However,83 genera still lack sequence data,hence,they are treated as Ascomycota,genera incertae sedis.In addition,separate analyses are provided where better taxonomic resolution is needed.

关键词： Asexual fungi Conidiogenesis Morphology Multi-gene analyses

Naming and outline of Dothideomycetes-2014 including proposals for the protection or suppression of generic names

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Fungal Diversity 2014年第6期69卷 1-55页

作者： Nalin N.Wijayawardene Pedro W.Crous paul M.Kirk David L.Hawksworth Saranyaphat Boonmee Uwe Braun Dong-Qin Dai Melvina J.D’souza paul diederich Asha Dissanayake Mingkhuan Doilom Singang Hongsanan E.B.Gareth Jones Johannes Z.Groenewald Ruvishika Jayawardena James D.Lawrey Jian-Kui Liu Robert Lücking Hugo Madrid Dimuthu S.Manamgoda Lucia Muggia Matthew P.Nelsen Rungtiwa Phookamsak Satinee Suetrong Kazuaki Tanaka Kasun M.Thambugala Dhanushka N.Wanasinghe Saowanee Wikee Ying Zhang Andre Aptroot H.A.Ariyawansa Ali H.Bahkali D.Jayarama Bhat Cécile Gueidan Putarak Chomnunti G.Sybren De Hoog Kerry Knudsen Wen-Jing Li Eric H.C.McKenzie Andrew N.Miller Alan J.L.Phillips Marcin Piatek Huzefa A.Raja Roger S.Shivas Bernad Slippers Joanne E.Taylor Qing Tian Yong Wang Joyce H.C.Woudenberg Lei Cai Walter M.Jaklitsch Kevin D.Hyde 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 Institute of Excellence in Fungal Research Chiang Rai 57100Thailand Forestry and Agricultural Biotechnology Institute(FABI) University of PretoriaPretoria 0002South Africa CBS-KNAW Fungal Biodiversity Centre Uppsalalaan 83584 CT UtrechtThe Netherlands State Key Laboratory of Mycology Institute of MicrobiologyChinese Academy of SciencesBeijing100101People_s Republicof China Mycology Section Royal Botanic GardensKewRichmondSurrey TW93DSUK Department of Life Sciences The Natural History MuseumCromwell RoadLondon SW75BDUK Departamento de Biología VegetalⅡ Facultad de FarmaciaUniversidad Complutense de MadridPlaza Ramón y CajalMadrid 28040Spain School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Institut Für Biologie Martin-Luther-UniversitatBereich Geobotanik Und Botanischer GartenHerbariumNeuwerk 2106099 Halle(Saale)Germany Musée National d'histoire Naturelle 25 Rue MunsterL-2160 LuxembourgLuxembourg Institute of Plant and Environment Protection Beijing Academy of Agriculture and Forestry SciencesBeijing 100097People’s Republic of China Department of Botany and Microbiology College of ScienceKing Saud UniversityP.O.Box 2455Riyadh 11451Kingdom of Saudi Arabia Department of Environmental Science and Policy George Mason University4400 University DriveFairfaxVA 22030-4444USA Science and Education Integrative Research(Botany)The Field Museum1400 South Lake Shore DriveChicagoIL 60605-2496USA Institute of Plant Sciences University of GrazHolteigasse 68010GrazAustria Department of Life Science University of TriesteVia L.Giorgieri 10TriesteItaly Committee on Evolutionary Biology University of Chicago1025 E.57th StreetChicagoIL 60637USA Fungal Biodiversity Laboratory(BFBD) National Center for Gen

Article 59.1,of the International Code of Nomenclature for Algae,Fungi,and Plants(ICN;Melbourne Code),which addresses the nomenclature of pleomorphic fungi,became effective from 30 July 2011.Since that date,each fungal species can have one nomenclaturally correct name in a particular classification.All other previously used names for this species will be considered as synonyms.The older generic epithet takes priority over the younger name.Any widely used younger names proposed for use,must comply with Art.57.2 and their usage should be approved by the Nomenclature Committee for Fungi(NCF).In this paper,we list all genera currently accepted by us in Dothideomycetes(belonging to 23 orders and 110 families),including pleomorphic and nonpleomorphic genera.In the case of pleomorphic genera,we follow the rulings of the current ICN and propose single generic names for future usage.The taxonomic placements of 1261 genera are listed as an outline.Protected names and suppressed names for 34 pleomorphic genera are listed separately.Notes and justifications are provided for possible proposed names after the list of genera.Notes are also provided on recent advances in our understanding of asexual and sexual morph linkages in Dothideomycetes.A phylogenetic tree based on four gene analyses supported 23 orders and 75 families,while 35 families still lack molecular data.

关键词： Article 59.1 Ascomycota One name Phylogeny Pleomorphism

Families of Dothideomycetes

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Fungal Diversity 2013年第6期63卷 1-313页

作者： Kevin D.Hyde E.B.Gareth Jones Jian-Kui Liu Hiran Ariyawansa Eric Boehm Saranyaphat Boonmee Uwe Braun Putarak Chomnunti Pedro W.Crous Dong-Qin Dai paul diederich Asha Dissanayake Mingkhuan Doilom Francesco Doveri Singang Hongsanan Ruvishika Jayawardena James D.Lawrey Yan-Mei Li Yong-Xiang Liu Robert Lücking Jutamart Monkai Lucia Muggia Matthew P.Nelsen Ka-Lai Pang Rungtiwa Phookamsak Indunil C.Senanayake Carol A.Shearer Satinee Suetrong Kazuaki Tanaka Kasun M.Thambugala Nalin N.Wijayawardene Saowanee Wikee Hai-Xia Wu Ying Zhang Begoña Aguirre-Hudson S.Aisyah Alias AndréAptroot Ali H.Bahkali Jose L.Bezerra D.Jayarama Bhat Erio Camporesi Ekachai Chukeatirote Cécile Gueidan David L.Hawksworth Kazuyuki Hirayama Sybren De Hoog Ji-Chuan Kang Kerry Knudsen Wen-Jing Li Xing-Hong Li Zou-Yi Liu Ausana Mapook Eric H.C.McKenzie Andrew N.Miller Peter E.Mortimer Alan J.L.Phillips Huzefa A.Raja Christian Scheuer Felix Schumm Joanne E.Taylor Qing Tian Saowaluck Tibpromma Dhanushka N.Wanasinghe Yong Wang Jian-Chu Xu Supalak Yacharoen Ji-Ye Yan Min Zhang Key Laboratory for Plant Biodiversity and Biogeography of East Asia(KLPB) Kunming Institute of BotanyChinese Academy of ScienceKunming 650201Yunnan China World Agroforestry Centre East Asia NodeHeilongtanKunming 650201China Institute of Excellence in Fungal Research Chiang Rai 57100Thailand School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand Institute Ocean Earth Sciences Kuala Lumpur 50603SelangorMalaysia Department of Botany and Microbiology King Saudi UniversityRiyadhSaudi Arabia 42 Longacre Drive LivingstonNJ 07039USA Institut für Biologie Bereich Geobotanik und Botanischer GartenHerbariumMartin-Luther-UniversitätNeuwerk 2106099 Halle(Saale)Germany CBS-KNAW Fungal Biodiversity Centre Uppsalalaan 83584CT UtrechtThe Netherlands Musée National d’histoire Naturelle 25 rue Munster2160 LuxembourgLuxembourg Institute of Plant and Environment Protection Beijing Academy of Agriculture and Forestry SciencesBeijing 100097People’s Republic of China Via dei Funaioli 22 57126 LivornoItaly Department of Environmental Science and Policy George Mason University4400 University DriveFairfaxVA 22030-4444USA International Fungal Research and Development Centre Key Laboratory of Resource Insect Cultivation&Utilization State Forestry AdministrationKunming 650224People’s Republic of China The Research Institute of Resource Insects Chinese Academy of ForestryKunming 650224People’s Republic of China Guizhou Key Laboratory of Agricultural Biotechnology Guizhou Academy of Agricultural SciencesGuiyangGuizhou 550006People’s Republic of China Science and Education Integrative Research(Botany)The Field Museum1400 South Lake Shore DriveChicagoIL 60605-2496USA Institute of Plant Sciences University of GrazHolteigasse 68010 GrazAustria Department of Life Science University of TriesteVia L.Giorgieri 10TriesteItaly Committee on Evolutionary Biology University of Chicago1025 E.57th StreetChicagoIL 60637USA Institute ofMarine Biology and Center of Excellence for the Oceans Taiwan

Dothideomycetes comprise a highly diverse range of fungi characterized mainly by asci with two wall layers(bitunicate asci)and often with fissitunicate dehiscence.Many species are saprobes,with many asexual states comprising important plant pathogens.They are also endophytes,epiphytes,fungicolous,lichenized,or lichenicolous fungi.They occur in terrestrial,freshwater and marine habitats in almost every part of the world.We accept 105 families in Dothideomycetes with the new families Anteagloniaceae,Bambusicolaceae,Biatriosporaceae,Lichenoconiaceae,Muyocopronaceae,Paranectriellaceae,Roussoellaceae,Salsugineaceae,Seynesiopeltidaceae and Thyridariaceae introduced in this paper.Each family is provided with a description and notes,including asexual and asexual states,and if more than one genus is included,the type genus is also characterized.Each family is provided with at least one figure-plate,usually illustrating the type genus,a list of accepted genera,including asexual genera,and a key to these genera.A phylogenetic tree based on four gene combined analysis add support for 64 of the families and 22 orders,including the novel orders,Dyfrolomycetales,Lichenoconiales,Lichenotheliales,Monoblastiales,Natipusillales,Phaeotrichales and Strigulales.The paper is expected to provide a working document on Dothideomycetes which can be modified as new data comes to light.It is hoped that by illustrating types we provide stimulation and interest so that more work is carried out in this remarkable group of fungi.

关键词： Acrospermales Asterinales Botryosphaeriales Capnodiales Dothideales Dyfrolomycetales Hysteriales Jahnulales Lichenoconiales Lichenotheliales Microthyriales Monoblastiales Myriangiales Mytilinidiales Natipusillales Patellariales Phaeotrichales Phylogeny Pleosporales Strigulales Taxonomy Trypetheliales Tubeufiales Type species Venturiales