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1.
Two new genera, Bulleribasidium and Papiliotrema, and three new species, B. oberjochense, P. bandonii and Fibulobasidium murrhardtense are described. An integrated analysis of morphological, ultrastructural, physiological, and molecular data indicates that the new taxa belong to the Tremellales (Basidiomycota). Relevant characteristics of the new genera and species are discussed and compared with those of closely related taxa. 相似文献
2.
Melhania steudneri (Sterculiaceae) new record for Egypt,and a synopsis of the Sterculiaceae in Egypt
The cultivated and indigenous taxa of Sterculiaceae in Egypt are systematically revised. This revealed the presence of 15 species, belonging to 10 genera, accepted as cultivated taxa and 6 indigenous species, belonging to 4 genera, restricted to the southeastern corner of Egypt; of which Melhania steudneri Schweinf. is a new record to the flora of Egypt. For the investigated taxa valid name, synonyms, types, general distribution and representative specimens are given. Identification keys for the determination of all genera and species are also provided. 相似文献
3.
江苏野菜资源的利用与开发 总被引:17,自引:0,他引:17
江苏野菜资源丰富,共计192种,隶属44科108属,其中蕨类植物7科15属51种,种子植物37科93属141种。江苏野菜利用历史悠久,近年已发展成为规模种植,产生良好的经济效益和社会效益。 相似文献
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Six new genera, one new subgenus, and ten new species of trilobites are described from the Upper Cambrian Chopko Formation from a section of the Chopko River, Norilsk District, northwestern part of the Siberian Platform. These include one genus and two species of agnostids and five genera, one subgenus, and eight species of polymerids. The new taxa come from an interval of the section attributed to the upper two-thirds of the Upper Cambrian. 相似文献
6.
P. van ROYEN F.L.S. 《Botanical journal of the Linnean Society. Linnean Society of London》1978,77(2):117-123
Two new species of Campanulaceae from New Guinea are described, Lobelia victoriensis and Wahlenbergia papuana. Keys to and enumerations of the species of both genera of New Guinea taxa are provided. 相似文献
7.
中国高等植物多样性编目是“中国生物物种名录”项目中的重要组成部分, 旨在后植物志时代对中国高等植物的物种名录进行修订和年度更新。自2017年深圳国际植物学大会以来, 中国高等植物物种名录已进行了5次年度更新。名录参考最新的植物分类学研究进展, 对各大类群全面采用有分子证据的新分类系统, 收录5年来发表的中国植物新类群和新记录, 补充往年遗漏的部分类群, 并依据新的专科专属的修订结果对发生属间分类变动的类群进行了更新。目前的中国高等植物物种名录包含角苔类4科9属27种, 苔类62科170属1,081种94个种下等级, 藓类94科453属2,006种154个种下等级, 石松类3科12属165种4个种下等级, 蕨类38科177属2,215种228个种下等级, 裸子植物10科45属291种118个种下等级, 被子植物272科3,409属32,708种6,909个种下等级, 共计483科4,275属38,493种7,507个种下等级, 较5年前增加了19科270属2,334种。 相似文献
8.
Revision of some comasterid genera from Australia (Echinodermata: Crinoidea), with descriptions of two new genera and nine new species 总被引:2,自引:0,他引:2
F. W. E. ROWE A. K. HOGGETT R. A. BIRTLES† L. L. VAIL 《Zoological Journal of the Linnean Society》1986,86(3):197-277
Morphological characters used in comasterid taxonomy are reappraised. As a result, form and distribution of pinnule combs are newly promoted as primary characters of generic recognition. Form and arrangement of cirri and division series, as used by A. H. Clark (1931), are rejected as characters important in recognizing taxa higher than species. Five of 12 comasterid genera reported as occurring in Australian waters (H. L. Clark, 1946) are critically examined. Of these genera, Comantheria A. H. Clark, 1909b is referred to the synonymy of Comanthus A. H. Clark, 1908a, Comanlhoides A. H. Clark, 1931 is referred to the synonymy of Cenolia A. H. Clark, 1916b, and Comanthina A. H. Clark, 1909b is maintained. In addition, two new genera are described. These genera are related by the occurence of the first brachial syzygy at 3 + 4 on all arms. Twenty-six species within the five genera are now recognized in Australian waters. Nine new species are described, and the 17 existing species are rediagnosed and critically reappraised. The revision involves taxa distributed throughout the Indo-west Pacific region, as far west as S Africa. 相似文献
9.
Abstract. The twenty-four species of Pronophilini known from the Sierra Nevada de Santa Marta, a small, isolated and very high north Colombian mountain range, are listed. The ecology of the tribe in northern South America, where these butterflies are exclusively montane, is described. The evolutionary relationships of the thirteen endemic species are analysed. Three new genera, three new species, and four new subspecies are described. Four new synonymies are established, the status of three taxa revised, six new combinations made, lished, the status of three taxa and one original combination re-instated. 相似文献
10.
ESTRELA FIGUEIREDO fls 《Botanical journal of the Linnean Society. Linnean Society of London》2008,156(4):537-638
A treatment of the Rubiaceae of Angola is presented based on herbarium collections kept at BM, BR, COI, K, LISC, LISU, LUA, LUAI, P, and PRE. The basionyms, relevant synonyms, and types from Angola are cited. For each taxon, one collection is cited for each province. An exsiccata list with over 3300 collections examined and identified during this work is provided. There are 108 genera, 422 species, and 40 infraspecific taxa of Rubiaceae in Angola. Fourteen genera and 126 species and infraspecific taxa are restricted to Cabinda. The rate of endemism of the family is c. 19%, with 86 taxa endemic to Angola (16 of which are restricted to Cabinda). Two genera are endemic. A new subspecies and a new variety are described. There are 21 unnamed entities requiring further research. © 2008 The Linnean Society of London, Botanical Journal of the Linnean Society , 2008, 156 , 537–638. 相似文献
11.
Santamaria S 《Mycologia》2004,96(4):761-772
Two new genera of Laboulbeniales (Ascomycota) allied to Zodiomyces (Zodiomycetoideae) are described. These are Capillistichus with the single species C. tenellus, parasitic on Laccobius spp. (Coleoptera, Hydrophilidae), and Scepastocarpus with the single species S. peritheciiformis, parasitic on Hydrochus spp. (Coleoptera, Hydrophilidae). Both genera and species are from Spanish collections. Perithecial characters appear to be similar in the two new genera and in the related Zodiomyces, becoming a diagnostic character of the group (subfamily Zodiomycetoideae). Receptacular characters form the basis of separation into genera. To complete the study of all the taxa included in the subfamily, specimens and type slides of all three species of Zodiomyces have been reviewed. 相似文献
12.
A well resolved phylogeny of the Agaricaceae based on partial rpb2 sequences is presented from a wide geographic and systematic sampling of the family and compared to phylogenies based on nrLSU and tef1 sequences. A smaller dataset of the family focusing on the Agaricus clade of nrITS sequences and a combined dataset were used to determine the position of several white-spored taxa from northern Thailand. Two new genera are described from Thailand. Coniolepiota accommodates Lepiota spongodes, a gray-lilac-purple floccose white-spored species with a wide distribution in tropical Asia; Eriocybe has a white wooly felt-like covering of pileus and stipe, white spores and is described with one new species E. chionea, so far known only from northern Thailand. These new genera are closely related to three genera with colored spores (viz. Agaricus, Heinemannomyces and Clarkeinda) and not to other white-spored taxa. 相似文献
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ESTRELA FIGUEIREDO fls 《Botanical journal of the Linnean Society. Linnean Society of London》2005,149(1):85-114
A synoptic treatment of the Rubiaceae of São Tomé e Príncipe (Gulf of Guinea) is presented based on herbarium collections kept at BM, COI, K and LISC. There are 36 genera and 64 species of Rubiaceae represented in the flora of São Tomé e Príncipe. Identification keys are provided for genera, species and infraspecific taxa. A new combination is made in Chassalia . Twenty-nine taxa are endemic to these islands, two of which are also endemic to Annobon. The conservation status of the endemic taxa is assessed and IUCN categories of threat are proposed for ten taxa. Nineteen taxa of Rubiaceae are considered under threat in São Tomé e Príncipe and ten are considered nearly threatened. © 2005 The Linnean Society of London, Botanical Journal of the Linnean Society , 2005, 149 , 85–114. 相似文献
14.
Phylogeny of the North American vaejovid scorpion subfamily Syntropinae Kraepelin, 1905, based on morphology,mitochondrial and nuclear DNA
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Edmundo González‐Santillán Lorenzo Prendini 《Cladistics : the international journal of the Willi Hennig Society》2015,31(4):341-405
The first rigorous analysis of the phylogeny of the North American vaejovid scorpion subfamily Syntropinae is presented. The analysis is based on 250 morphological characters and 4221 aligned DNA nucleotides from three mitochondrial and two nuclear gene markers, for 145 terminal taxa, representing 47 species in 11 ingroup genera, and 15 species in eight outgroup genera. The monophyly and composition of Syntropinae and its component genera, as proposed by Soleglad and Fet, are tested. The following taxa are demonstrated to be para‐ or polyphyletic: Smeringurinae; Syntropinae; Vaejovinae; Stahnkeini; Syntropini; Syntropina; Thorelliina; Hoffmannius; Kochius; and Thorellius. The spinose (hooked or toothed) margin of the distal barb of the sclerotized hemi‐mating plug is demonstrated to be a unique, unambiguous synapomorphy for Syntropinae, uniting taxa previously assigned to different subfamilies. Results of the analysis demonstrate a novel phylogenetic relationship for the subfamily, comprising six major clades and 11 genera, justify the establishment of six new genera, and they offer new insights about the systematics and historical biogeography of the subfamily, and the information content of morphological character systems. 相似文献
15.
Phylogeny of North American amblemines (Bivalvia, Unionoida): prodigious polyphyly proves pervasive across genera 总被引:1,自引:0,他引:1
David C. Campbell Jeanne M. Serb Jennifer E. Buhay Kevin J. Roe Russell L. Minton Charles Lydeard 《Invertebrate Biology》2005,124(2):131-164
Abstract. The subfamily Ambleminae is the most diverse subfamily of fresh‐water mussels (order Unionoida), a globally diverse and ecologically prominent group of bivalves. About 250 amblemine species occur in North America; however, this diversity is highly imperiled, with the majority of species at risk. Assessing and protecting this diversity has been hampered by the uncertain systematics of this group. This study sought to provide an improved phylogenetic framework for the Ambleminae. Currently, 37 North American genera are recognized in Ambleminae. Previous phylogenetic studies of amblemines highlighted the need for more extensive sampling due to the uncertainties arising from polyphyly of many currently recognized taxa. The present study incorporated all amblemine genera occurring in North America north of the Rio Grande, with multiple species of most genera, including the type species for all but seven genera. A total of 192 new DNA sequences were obtained for three mitochondrial gene regions: COI, 16S, and ND1. In combination with published data, this produced a data matrix incorporating 357 gene sequences for 143 operational taxonomic units, representing 107 currently recognized species. Inclusion of published data provides additional taxa and a summary of present molecular evidence on amblemine phylogeny, if at the cost of increasing the amount of missing data. Parsimony and Bayesian analyses suggest that most amblemine genera, as currently defined, are polyphyletic. At higher taxonomic levels, the tribes Quadrulini, Lampsilini, and Pleurobemini were supported; the extent of Amblemini and the relationships of some genera previously assigned to that tribe remain unclear. The eastern North American amblemines appear monophyletic. Gonidea and some Eurasian taxa place as probable sister taxa for the eastern North American Ambleminae. The results also highlight problematic taxa of particular interest for further work. 相似文献
16.
DAVID R. SMITH 《Systematic Entomology》1988,13(2):205-261
Abstract Eight families of Symphyta for the Western Hemisphere south of the United States are reviewed: Xyelidae (one genus, two species), Pamphiliidae (one genus, four species), Cimbicidae (five genera, nine species), Diprionidae (three genera, thirteen species), Xiphydriidae (four genera, seventeen species), Siricidae (six genera, nine species), Orussidae (five genera, twelve species), and Cephidae (one genus, one species). New taxa are Acantholyda nigrostigmata (Pamphiliidae); Zadiprionfalsus, Neodiprion bicolor, N.equalis, N.omosus (Diprionidae); Derecyrta circularis, Steirocephala lateralba (Xiphydriidae); Sirotremex, S.flammeus (Siricidae); and Ophrynopus depressatus, O.plaumanni (Orussidae). Lopesiana is a new name for Lopesia Conde (Cimbicidae). Three new combinations and six new synonyms are proposed. The Xyelidae, Pamphiliidae, Diprionidae, Siricidae and Cephidae are primarily northern groups with southern extensions into Mexico, Central America and/or Cuba. The Cimbicidae, Xiphydriidae and Orussidae are more generally distributed throughout the neotropics. Keys to families, genera and species are provided. 相似文献
17.
214 taxa under 21 genera of desmids have been described and illustrated from Bangladesh, of which 3 species and 8 varieties are new to science. 相似文献
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Biosystematics of the genus Piperia Rydb. (Orchidaceae) 总被引:1,自引:1,他引:0
J. D. ACKERMAN 《Botanical journal of the Linnean Society. Linnean Society of London》1977,75(3):245-270
Piperia is a North American segregate of Habenaria consisting of 5 taxa (4 species and 1 subspecies). The genus is defined and differentiated from other North American genera of the Habenaria alliance by its morphology and pollination mechanism. All taxa have n = 21 chromosomes. Thin-layer chromatography of fresh leaf extracts and a morphological assessment revealed discrete, but variable, taxa. All species are partially interfertile; however, a high degree of sympatry suggests these species are reproductively isolated. One new combination is proposed: P. elongata subsp. michaelii. 相似文献
20.
ESTRELA FIGUEIREDO fls 《Botanical journal of the Linnean Society. Linnean Society of London》2007,154(4):455-495
A treatment of the Rubiaceae of Cabinda (Angola) is presented based on various herbarium collections. There are 67 genera and 169 species of Rubiaceae represented in the flora of Cabinda. Eight entities are unnamed and could represent new taxa. Identification keys are provided for species and infraspecific taxa. A new combination is made in Rothmannia and two are made in Psychotria. A new name is provided in Psychotria . Eighteen taxa are endemic to Cabinda, two of which are also endemic to Angola. The conservation status of the endemic taxa is unknown due to the lack of collections over the last 40 years. © 2007 The Linnean Society of London, Botanical Journal of the Linnean Society , 2007, 154 , 455–495. 相似文献