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A neotype for Colpodexylon gracilentum Dou (Lycopsida) from the Middle Devonian of North Xinjiang,China

Journal of Systematics and Evolution 2011年第4期49卷 372-378页

作者： Hong-He XU Yi WANG (State Key Laboratory of Palaeobiology and Stratigraphy,Nanjing Institute of Geology and Palaeontology,Chinese Academy of Sciences,Nanjing 210008,China) (State Key Laboratory of Palaeobiology and Stratigraphy Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences Nanjing 210008 China)

According to newly collected and well preserved specimens,herbaceous lycopsids Colpodexylon gracilentum Dou and Colpodexylon laminatum Dou from the late Middle Devonian of Xinjiang,NW China are reduced to C.gracilentum,for which a neotype is designated and emended diagnosis is given.Colpodexylon gracilentum has leaves with three nearly equal segments,an elliptical sporangium adaxially attached by a pad on the isomorphic sporophyll.

关键词： Colpodexylon Devonian lycopsid neotype Xinjiang.

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Designation of a neotype for Protobothrops mangshanensis (Zhao,1990)

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Asian Herpetological Research 2012年第4期3卷 340-341页

作者： Peng GUO Jiatang LI Yueying CHEN Yuezhao WANG Institute of Biology Yibin University College of Life Science and Food Engineering Yibin Chengdu Institute of Biology Chinese Academy of Sciences

Protobothrops mangshanensis(Zhao,1990) was first described based on the specimens from Mt. Mang,Yizhang,Hunan,China(Zhao and Chen,1990). However,due to poor preservation,the holotype of P. mangshanensis is considerably damaged and cannot presently be used. Thus,according to Article 75 of the International Code of Zoological Nomenclature(1985),we designate a neotype for this species.

关键词： snake Viperidae Protobothrops neotype

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The complex of Diplodia species associated with Fraxinus and some other woody hosts in Italy and Portugal

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Fungal Diversity 2014年第4期67卷 143-156页

作者： A.Alves B.T.Linaldeddu A.Deidda B.Scanu A.J.L.Phillips Departamento de Biologia CESAMUniversidade de Aveiro3810-193 AveiroPortugal Dipartimento di Agraria Sezione di Patologia vegetale ed EntomologiaUniversitàdegli Studi di Sassarivia E.De Nicola 107100 SassariItaly Centro de Recursos Microbiológicos Departamento de Ciencias da VidaFaculdade de Ciencias e TecnologiaUniversidade Nova de Lisboa2829-516 CaparicaPortugal

Studies on the taxonomy and phylogeny of Diplodia have been hampered by the lack of an ex-type culture linked to the holotype of D.mutila,which is the type of the genus.In this study a large collection of Diplodia strains,obtained from ash and other woody hosts showing V-shaped cankers and branch dieback,were identified based on morphological characters and DNA sequence data from ITS and EF1-α loci.Results of combined morphological and phylogenetic analyses showed that the Fraxinus isolates from Italy,the Netherlands,Portugal and Spain belong to three distinct species namely Diplodia fraxini,Diplodia mutila and Diplodia subglobosa sp.nov.An epitype was designated for Diplodia mutila,with associated ex-epitype cultures.The name D.fraxini is re-instated and a neotype designated.Two species,Diplodia seriata and Diplodia pseudoseriata were reported for the first time on Fraxinus spp.

关键词： Botryosphaeriaceae Epitype neotype Phylogeny Systematics Taxonomy

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Mission impossible completed:unlocking the nomenclature of the largest and most complicated subgenus of Cortinarius,Telamonia

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Fungal Diversity 2020年第5期104卷 291-331页

作者： Kare Liimatainen Tuula Niskanen Bálint Dima Joseph F.Ammirati Paul M.Kirk Ilkka Kytövuori Jodrell Laboratory Royal Botanic GardensKewSurrey TW93ABUK Botanical Museum University of HelsinkiP.O.Box 700014 HelsinkiFinland Department of Plant Anatomy Institute of BiologyEötvös Loránd UniversityPázmány Péter sétány 1/C1117 BudapestHungary Department of Biology University of WashingtonBox 351800SeattleWA 98195-1800USA

So far approximately 144,000 species of fungi have been named but sequences of the majority of them do not exist in the public databases.Therefore,the quality and coverage of public barcode databases is a bottleneck that hinders the study of fungi.Cortinarius is the largest genus of Agaricales with thousands of species world-wide.The most diverse subgenus in Cortinarius is Telamonia and its species have been considered one of the most taxonomically challenging in the Agaricales.Its high diversity combined with convergent,similar appearing taxa have earned it a reputation of being an impossible group to study.In this study a total of 746 specimens,including 482 type specimens representing 184 species were sequenced.Also,a significant number of old types were successfully sequenced,105 type specimens were over 50 years old and 18 type specimens over 100 years old.Altogether,20 epi-or neotypes are proposed for recently commonly used older names.Our study doubles the number of reliable DNA-barcodes of species of C.subgenus Telamonia in the public sequence data-bases.This is also the first extensive phylogenetic study of the subgenus.A majority of the sections and species are shown in a phylogenetic context for the first time.Our study shows that nomenclatural problems,even in difficult groups like C.subgenus Telamonia,can be solved and consequently identification of species based on ITS barcodes becomes an easy task even for non-experts of the genus.

关键词： ITS Type study Barcode neotype Phylogeny Section

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A phylogenetic and taxonomic re-evaluation of the Bipolaris - Cochliobolus - Curvularia Complex

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Fungal Diversity 2012年第5期56卷 131-144页

作者： Dimuthu S.Manamgoda Lei Cai Eric H.C.McKenzie Pedro W.Crous Hugo Madrid Ekachai Chukeatirote Roger G.Shivas Yu Pei Tan Kevin D.Hyde Institute of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand State Key Laboratory of Mycology Institute of MicrobiologyChinese Academy of SciencesBeijing 100190People’s Republic of China Landcare Research Private Bag 92170AucklandNew Zealand CBS-KNAW Fungal Biodiversity Centre Uppsalalaan 83584 CT UtrechtNetherlands Department of Agriculture Fisheries and ForestryPlant Pathology Herbarium(BRIP)Plant Biosecurity ScienceGPO Box 267BrisbaneQLD 4001Australia

Three genera,Cochliobolus,Bipolaris and Curvularia form a complex that contains many plant pathogens,mostly on grasses(Poaceae)with a worldwide distribution.The taxonomy of this complex is confusing as frequent nomenclatural changes and refinements have occurred.There is no clear morphological boundary between the asexual genera Bipolaris and Curvularia,and some species show intermediate morphology.We investigated this complex based on a set of ex-type cultures and collections from northern Thailand.Combined gene analysis of rDNA ITS(internal transcribed spacer),GPDH(glyceraldehyde 3-phosphate dehydrogenase),LSU(large subunit)and EF1-α(translation elongation factor 1-α)shows that this generic complex divides into two groups.Bipolaris and Cochliobolus species clustered in Group 1 along with their type species,whereas Curvularia species(including species named as Bipolaris,Cochliobolus and Curvularia)clustered in Group 2,with its generic type.The nomenclatural conflict in this complex is resolved giving priority to the more commonly used established generic names Bipolaris and Curvularia.Modern descriptions of the genera Bipolaris and Curvularia are provided and species resolved in this study are transferred to one of these genera based on their phylogeny.

关键词： Anamorph Generic complex neotype Nomenclature Pathogens Pseudocochliobolus

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