Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Veldgids Paddenstoelen I : 500 soorten plaatjeszwammen en boleten
    Dam, N.J. ; Kuyper, T.W. - \ 2013
    Zeist : KNNV uitgeverij - ISBN 9789050114639 - 423
    schimmels - mycologie - flora - determinatietabellen - plantengeografie - nederland - fungi - mycology - keys - phytogeography - netherlands
    Zelf paddenstoelen herkennen kun je nu met deze nieuwe Veldgids paddenstoelen. De veldgids beschrijft 500 algemene soorten plaatjeszwammen en boleten van Nederland. Deze dekken ruim 95 procent van alle in Nederland geregistreerde waarnemingen - en daarmee is dit boek uniek in ons taalgebied.
    De Nederlandse Bijen
    Belgers, J.D.M. - \ 2013
    Bijenhouden 2013 (2013)juni. - ISSN 1877-9786 - p. 4 - 5.
    apidae - honingbijen - nederland - bestuivers (dieren) - drachtplanten - dierecologie - determinatietabellen - identificatie - boekbesprekingen - apidae - honey bees - netherlands - pollinators - pollen plants - animal ecology - keys - identification - book reviews
    Het Jaar van de Bij (2012) was een groot succes. Alom aandacht voor zowel de honingbij als de wilde bij. Bijenhotels rezen het afgelopen jaar als paddenstoelen uit de grond; veel mensen weten nu het verschil tussen honingbij, wilde (solitaire) bij en wesp. Hoogtepunt voor veel bijenliefhebbers was de presentatie van het boek ‘De Nederlandse Bijen’op 13 december 2012 bij Naturalis in Leiden. Na onze vooraankondiging in januari hier een bespreking van een kenner.
    Cultivation and diseases of Proteaceae: Leucadendron, Leucospermum and Protea
    Crous, P.W. ; Denman, S. ; Taylor, J.E. ; Swart, L. ; Bezuidenhout, C.M. ; Hoffman, L. ; Palm, M.E. ; Groenewald, J.Z. - \ 2013
    Utrecht, The Netherlands : CBS-KNAW Fungal Biodiversity Centre (CBS biodiversity series 13) - ISBN 9789070351953 - 360
    proteaceae - leucadendron - leucospermum - protea - snijbloemen - teelt - plantenziekten - plantenziekteverwekkende schimmels - taxonomie - identificatie - determinatietabellen - gastheerreeks - plantenziekteverwekkende bacteriën - ziektebestrijding - fytosanitair beleid - verwelkingsziekten - wortelrot - kanker (plantenziektekundig) - proteaceae - leucadendron - leucospermum - protea - cut flowers - cultivation - plant diseases - plant pathogenic fungi - taxonomy - identification - keys - host range - plant pathogenic bacteria - disease control - phytosanitary policies - wilts - root rots - cankers
    Proteaceae represent a prominent family of flowering plants in the Southern Hemisphere. Because of their beauty, unique appearance, and relatively long shelf life, Proteaceae cut-flowers have become a highly desirable crop for the export market. The cultivation of Proteaceae is a thriving industry that provides employment in countries where these flowers are grown, often in areas that are otherwise unproductive agriculturally. Diseases cause a loss in yield, and also limit the export of these flowers due to strict phytosanitary regulations. In this publication the fungi that cause leaf, stem and root diseases on Leucadendron, Leucospermum and Protea are treated. Data are provided pertaining to the taxonomy, identification, host range, distribution, pathogenicity, molecular characteristics and control of these pathogens. Taxonomic descriptions and illustrations are provided and keys are included to distinguish species in genera where a number of species affect Proteaceae. Disease symptoms are described and colour photographs are included. Where known, factors that affect disease epidemiology are discussed. Disease management strategies are also presented that will assist growers and advisors in making appropriate choices for reducing disease in specific areas. Information is also provided relating to crop improvement, cultivation techniques, harvesting and export considerations. Further development and expansion of this industry depends on producing and obtaining disease-free germplasm from countries where these plants are indigenous. For that reason it is important to document the fungi that occur on Proteaceae, and to establish the distribution of these fungi. These data are essential for plant quarantine services for use in risk assessments.
    Systematics of the blackfly subgenus Trichodagmia Enderlein (Diptera: Simuliidae: Simulium) in the new world
    Hernández Triana, L.M. - \ 2011
    Wageningen University. Promotor(en): Marc Sosef; R.J. Post. - s.n. - ISBN 9789085858652 - 536
    simulium - taxonomy - identification - keys - nearctic region - simulium - taxonomie - identificatie - determinatietabellen - nearctisch gebied

    Systematics of the blackfly subgenus Trichodagmia ENDERLEIN (Diptera: Simuliidae:

    Simulium) in the New World

    The systematics of the New World subgenus Trichodagmia has been reassessed by employing an

    integrated taxonomic approach based upon revisionary taxonomy, phylogenetic (cladistics) analysis, and

    DNA barcoding. This subgenus included several species of great medical importance, which are all

    morphologically very similar. The history of the taxonomy and classification of the subgenus

    Trichodagmia has been put into context with other subgenera within New World Simuliidae, while

    descriptions and keys to the identification of species in this subgenus are also given.

    The subgenus Obuchovia is here considered a new junior synonym of Trichodagmia, and all its

    constituents’ species are now placed in the ALBELLUM species group to represent a Palaearctic

    element within this subgenus. Three new junior synonymies are here proposed: Simulium chiriquiense

    FIELD is a synonym of S. ethelae DALMAT n. syn.; S. biuxinisa COSCARÓN & IBÁÑEZ-BERNAL is a

    synonym of S. paynei VARGAS n. syn.; and S. keenani FIELD is a synonym of S. earlei VARGAS, MARTÍNEZ

    PALÁCIOS &DÍAZ NÁJERA n. syn. A neotype is designated for S. lahillei (PATERSON & SHANNON) and a

    lectotype for S. pulverulentum KNAB.1 Simulium falculatum ENDERLEIN is transferred from the

    TARSATUM species group of to the CANADENSE species group based on the morphology of the

    female genitalia. Two species, S. rivasi RAMÍREZ PÉREZ and S. oviedoi RAMÍREZ PÉREZ, are transferred

    from the TARSATUM species group to the subgenus Psilopelmia based on the morphology of the male

    gonostyle and the ventral plate. Keys to separate all species groups and species based on the adults,

    pupae and larvae are also provided.

    The phylogeny and classification of the subgenus Trichodagmia is delineated using a cladistic

    analysis of 63 taxa based on males, females, pupae and larvae, including two species belonging to the

    subgenus Aspathia and two species of the subgenus Simulium s.str. that served as outgroups. Analysis of

    the original full data set [67 taxa and 67 characters] with multistate characters treated as unordered

    under equal weights led to poorly resolved trees, with many polytomies within TARSATUM [= old

    subgenus Hemicnetha] and CANADENSE [= old subgenus Hearlea]. Nonetheless, the ALBELLUM [=

    old subgenus Obuchovia] and PICTIPES [= old subgenus Shewellomyia] species groups, and some clades

    within the CANADENSE species group were well supported. In the most parsimonious cladograms,

    the position of S. falculatum was problematic as it was placed basal to Trichodagmia. The position of S.

    jeteri, albeit within the ORBITALE [= old subgenera Trichodagmia + Thyrsopelma of MIRANDA-ESQUIVEL

    & COSCARÓN, 2001] clade, was also poorly resolved. This was certainly due to the numerous missing

    data in these two taxa. Therefore, they were removed from the data set together with other taxa in

    which three life stages (> 70% of characters) were missing (e.g. S. paracarolinae and S. tarsale). A second

    analysis was then performed with 63 taxa and 67 characters. In this analysis, the Strict Consensus Tree

    was better resolved and certain clades within the expanded concept of Trichodagmia (sensu SHELLEY et al.,

    2010) were recovered as monophyletic with high support values. The ALBELLUM species group is

    monophyletic in a sister-group relationship with the other species groups in Trichodagmia (sensu SHELLEY

    et al., 2010). The ORBITALE species group clade was recovered as monophyletic by a unique

    combination of seven characters with 89% bootstrap support. In this clade, all species close to S.

    guianense s.l. were better diagnosed by a combination of four characters, one of which (male ventral plate

    with a globular median process) was unique to this group. The position of S. hirtipupa is better resolved

    in the latter clade by the presence of black spiniform setae in the frontoclypeus and thorax of the pupa.

    In contrast, the TARSATUM and CANADENSE species groups were diagnosed by only four

    and five characters, respectively. Within the CANADENSE species group only species with larvae

    having sclerotized plates in the posterior region of the abdomen were well resolved. Species in the

    TARSATUM group were homoplastic. The PICTIPES group is only diagnosed by homoplasies, but the

    combination of these characters is unique to this clade (polythetic taxon). In general, this study supports

    some of the taxonomic changes proposed in SHELLEY et al. (2010), in which the subgeneric-names

    Hearlea, Hemicnetha, Shewellomyia, Trichodagmia + Thyrsopelma (sensu MIRANDA-ESQUIVEL & COSCARÓN,

    502

    2001) are treated as species groups within the subgenus Trichodagmia. Moreover, this study also supports

    the proposal of Obuchovia as a junior synonym within the clade Trichodagmia to represent the

    ALBELLUM species group.

    The utility of the COI DNA barcoding methodology for identification of species in the subgenus

    Trichodagmia and related taxa has been tested. In total, 24 morphospecies within the current expanded

    morphological concept of Trichodagmia were analyzed. In addition, three species of the subgenus

    Aspathia and 10 species of the subgenus Simulium s.str. were also included in the analysis because of their

    putative phylogenetic relationship with Trichodagmia. Within the barcoding neighbour-joining tree, most

    of the specimens were grouped together according to morpho-taxon (species groups and species).

    Mean genetic distance amongst groups (morphospecies) averaged 11.2% (ranged 2.8-19.5%), whereas

    intraspecific genetic divergence within morphologically distinct species averaged 0.5% (range 0-1.3%).

    In known species complexes, maximum values of genetic divergence (3.28-3.79%) indicate the probable

    presence of cryptic diversity. DNA barcoding achieved nearly 100% success in identifying all specimens

    of the subgenus Trichodagmia and related taxa.

    The existence of well defined groups within S. piperi, S. duodenicornium, S. canadense and S. rostratum

    highlighted the possible presence of species complexes in these taxa. In addition, the suspected

    presence of a sibling species in S. paynei and S. tarsatum among populations of Belize, Costa Rica, and

    the USA is confirmed. The use of shorter barcodes (midi and minibarcodes) from specimens held in

    collections was problematic with regards to the DNA quality and PCR success. However, in the cases

    that a readable sequence was obtained, they were sufficient for reliable species identification. With

    regards to the different extraction and preservation techniques tested, larvae preserved in diluted

    Carnoy’s (10% acetic acid) provided full DNA barcodes. Furthermore, legs added directly to the PCR

    mix from freshly collected individuals provided full length barcodes sequences. However, specimens of

    more than 10 years old did not yield good PCR products. In short, I conclude that DNA barcoding in

    combination with a morphological benchwork platform is an effective approach for identification and

    delineation of species in the subgenus Trichodagmia, and the discovery of hidden diversity in this taxon. 

    Veldgids Plantengemeenschappen
    Schaminee, J.H.J. ; Sykora, K.V. ; Smits, N.A.C. ; Horsthuis, M. - \ 2010
    Zeist : KNNV uitgeverij - ISBN 9789050113090 - 440
    plantengemeenschappen - flora - plantengeografie - plantenecologie - soorten - determinatietabellen - vegetatiekunde - ecologie - nederland - plant communities - flora - phytogeography - plant ecology - species - keys - vegetation science - ecology - netherlands
    Deze gids geeft een compacte beschrijving van alle plantengemeenschappen in Nederland: van open water en moerassen, graslanden en heiden, kust en binnenlandse pioniermilieus, tot ruigten, bossen en struwelen. De gids biedt ook een toegankelijke inleiding over termen en begrippen in de vegetatiekunde. Per plantengemeenschap zijn verspreidingskaartjes, samenvattende tabellen met de belangrijkste soorten en grafieken over standplaats en levensvormen opgenomen. Bovendien bevat het boek determinatiesleutels waarmee de Nederlandse plantengemeenschappen op naam zijn te brengen. De sleutels leiden tot de juiste klasse, waarna aan de hand van standplaatskenmerken en soortensamenstelling op eenvoudige wijze de plantengemeenschap kan worden bepaald.
    Anthericaceae, Burmanniaceae, Colchiceae, Crassulaceae, Dipterocarpaceae, Lemnaceae, Pittosporaceae, Rosaceae, Ternstroemiaceae, Thismiaceae, Triuridaceae
    Sosef, M.S.M. ; Florence, J. ; Ngok Banak, L. ; Bourobou Bourobou, H.P. - \ 2010
    Weikersheim [etc.] : Margraf [etc.] (Flore du Gabon 41) - ISBN 9783823615972 - 75
    planten - taxonomie - identificatie - determinatietabellen - gabon - plants - taxonomy - identification - keys - gabon
    Apodanthaceae, Balanophoraceae, Campanulaceae, Caricaceae, Hyacinthaceae, Hydroleaceae, Lobeliaceae, Menyanthaceae, Nymphaeaceae, Pontederiaceae, Typhaceae
    Sosef, M.S.M. ; Florence, J. ; Ngok Banak, L. ; Bourobou Bourobou, H.P. - \ 2010
    Weikersheim [etc.] : Margraf [etc.] (Flore du Gabon 40) - ISBN 9783823615835 - 73
    planten - taxonomie - identificatie - determinatietabellen - gabon - plants - taxonomy - identification - keys - gabon
    Heteroptera
    Dekkers, Dorine - \ 2009
    heteroptera - insects - hemiptera - determination - identification - zoogeography - keys - netherlands
    Begoniaceae
    Wilde, J.J.F.E. de; Sosef, M.S.M. - \ 2009
    Weikershelm [etc.] : Margraf [etc.] (Flore de Gabon vol. 39) - ISBN 9783823615743 - 109
    begoniaceae - taxonomie - determinatietabellen - identificatie - plantengeografie - gabon - begoniaceae - taxonomy - keys - identification - phytogeography - gabon
    Checklist suikerbieten
    Schans, D.A. van der; Jukema, J.N. - \ 2008
    akkerbouw - precisielandbouw - suikerbieten - schade - plantenziekten - determinatietabellen - symptomen - arable farming - precision agriculture - sugarbeet - damage - plant diseases - keys - symptoms
    Determinatiekaart om plantenziekten, incl. gebreksverschijnselen, in suikerbieten makkelijk te herkennen
    Revealing the secrets of African annonaceae : systematics, evolution and biogeography of the syncarpous genera Isolona and Monodora
    Couvreur, T.L.P. - \ 2008
    Wageningen University. Promotor(en): Marc Sosef, co-promotor(en): J.E. Richardson; Lars Chatrou. - [S.l.] : S.n. - ISBN 9789085049241 - 296
    annonaceae - isolona - monodora - evolutie - taxonomie - plantengeografie - biogeografie - klassen - moleculaire taxonomie - taxonomische revisies - soorten - determinatietabellen - identificatie - afrika - annonaceae - isolona - monodora - evolution - taxonomy - phytogeography - biogeography - genera - molecular taxonomy - taxonomic revisions - species - keys - identification - africa
    The goal of this PhD project was to study the evolution, systematics and biogeography of two African genera from the pan-tropical Annonaceae family: Isolona and Monodora. Both genera are unique within the family in that the female reproductive parts (or carpels) are fused into a single unit. All other Annonaceae have freely arranged carpels. We investigated the phylogenetic relationships of Isolona and Monodora at the intra-familial and intra-generic levels.
    In Chapter 2, we explore the influence of priors when using the novel Bayesian based posterior mapping to study the evolution of morphological characters. Up to now, it was unclear if these priors had any influence on the results. Using a family level molecular phylogeny of the Annonaceae, we study the evolution of two morphological characters under different prior values. We show that different prior values will return different results. Thus, inadequate prior values can lead to erroneous conclusions over the evolution of the studied morphological characters. We also indicate a practical way to choose the prior values when using the posterior mapping approach to study morphological character evolution.
    In Chapter 3, using the posterior mapping approach, we study the evolutionary origins of syncarpy in Annonaceae. The closest relatives of Isolona and Monodora are elucidated. We generate a well resolved phylogeny which included for the first time the majority of African Annonaceae genera. We also study additional morphological and palynological characters relevant to Annonaceae classification in general. Our phylogenetic analyses recover a fully resolved clade comprising twelve endemic African genera, including Isolona and Monodora, which was nested within the so-called long-branch clade. This is the largest and most species-rich clade of African genera identified to date within Annonaceae. Our results indicate that syncarpy arose by fusion of a moderate number of carpels. The alternative hypothesis that syncarpy arose by multiplication of an initial single carpel receives no support.
    In Chapter 4 we use African Annonaceae as a model family to study the biogeographical aspects of the evolutionary origins of African rain forests. It is generally thought that the large West-Central rain forest blocks was continuous during the Eocene with the now fragmented and smaller forests of East Africa, explaining the strong floristic affinities between both areas. Using dated molecular phylogenies we provide evidence of the recurring break-up and reconnection of this pan-African rain forest during the Oligocene and Miocene. The reconnections allowed for biotic exchange while the break-ups induced speciation enhancing the levels of endemicity, thus providing an explanation for present-day patterns in the distribution and diversity of plants in African rain forests.
    In Chapter 5, we perform a detailed analysis of pollen morphology within a strongly supported monophyletic group of five African genera, including Isolona and Monodora. We specifically assess if pollen characters are useful for classification purposes within Isolona and Monodora using a species-level molecular phylogeny. The results show a wide pollen morphological diversity. The pollen types defined within Isolona and Monodora provide little taxonomic information for major clades within both genera. However, pollen variation proves useful as a support of phylogenetic relatedness between groups of closely related species.
    Finally in Chapter 6, a monographic revision of both Isolona and Monodora is presented. Isolona consists of 20 species with five endemic to Madagascar and one newly described species. Monodora has a total of 14 species, three of which were described during this PhD project from Tanzania. Detailed descriptions as well as keys are provided. The conservation status of each species is assessed following the IUCN recommendations. Just under half of the total number of species from both genera is assigned to some level of threat (12 species or 60% in Isolona and four species or 28% in Monodora).
    Woody plants of Western African forests, A guide to the forest trees, shrubs and lianes from Senegal to Ghana
    Hawthorne, W.D. ; Jongkind, C.C.H. - \ 2006
    Richmond, Surrey UK : Royal Botanic Gardens, Kew - ISBN 9781842460894 - 1023
    houtachtige planten - bomen - struiken - bosbomen - klimplanten - identificatie - determinatietabellen - taxonomie - soorten - klassen - tropische bossen - foto's - illustraties - west-afrika - woody plants - trees - shrubs - forest trees - climbing plants - identification - keys - taxonomy - species - genera - tropical forests - photographs - illustrations - west africa
    A guide to the identification of all the woody plants (c. 2,250 species in 740 genera) of the forest region of West Africa called 'Upper Guinea', between Togo and Senegal. Upper Guinea is one of the world's most important centres of biodiversity, from the mountain forests of Liberia, Guinea and Sierra Leone, to the lowland evergreen, and semideciduous forests widespread also in Ghana and Ivory Coast.
    Basisboek paddenstoelen
    Dam, N.J. ; Kuyper, T.W. ; Dam, M. - \ 2006
    Utrecht : KNNV - ISBN 9789050112413 - 150
    paddestoelen - basidiomycotina - pezizomycotina - identificatie - determinatietabellen - nederland - schimmels - basidiomycotina - pezizomycotina - fungi - mushrooms - identification - keys - netherlands
    Flore analytique du Bénin
    Akoègninou, A. ; Burg, W.J. van der; Maesen, L.J.G. van der - \ 2006
    Leiden : Backhuys Publishers (Wageningen Agricultural University papers 06.2) - ISBN 9789057821813 - 1034
    planten - determinatietabellen - identificatie - plantengeografie - taxonomie - benin - west-afrika - vegetatie - flora - plants - keys - identification - phytogeography - taxonomy - vegetation - flora - benin - west africa
    Phylogeny and taxonomy of Phaeoacremonium and its relatives
    Mostert, L. - \ 2006
    Wageningen University. Promotor(en): Pedro Crous, co-promotor(en): E.C.A. Abeln. - [S.l.] : S.n. - ISBN 9789085044604 - 249
    diaporthales - pezizomycotina - deuteromycotina - fylogenie - taxonomie - phaeohyphomycose - humane ziekten - medische mycologie - determinatietabellen - plantenziekteverwekkende schimmels - diaporthales - pezizomycotina - deuteromycotina - phylogeny - taxonomy - keys - phaeohyphomycosis - human diseases - medical mycology - plant pathogenic fungi
    Species of Phaeoacremonium are known vascular plant pathogens causing wilt and dieback of woody hosts.  The most prominent diseases in which they are involved are Petri disease and esca, which occur on grapevines and are caused by a complex of fungi, including Phaeomoniella chlamydospora and several species of Phaeoacremonium . Various Phaeoacremonium species are also opportunistic on humans, where they are known to cause phaeohyphomycosis. 

    The genus Togninia was confirmed as the teleomorph of Phaeoacremonium by means of morphology, sexual compatibility, and DNA phylogeny. Subsequently, the genus Togninia was monographed along with its Phaeoacremonium anamorphs. Ten species of Togninia and 22 species of Phaeoacremonium were treated. Several new species of Togninia were found during the course of the study, namely T. argentinensis , T. austroafricana , T. krajdenii , T.parasitica , T.rubrigena and T. viticola . New species of Phaeoacremonium includePm. alvesii, Pm. amstelodamense,Pm. argentinense ,Pm. australiense,Pm. austroafricanum, Pm. griseorubrum,Pm.krajdenii,Pm. novae-zealandiae , Pm . iranianum ,Pm. scolyti, Pm. sphinctrophorum,Pm.subulatum,Pm. tardicrescens,Pm . theobromatisandPm. venezuelense . Species were identified based on their cultural and morphological characters, supported by DNA data derived from partial sequences of the actin and β-tubulin genes. Phylogenies of the SSU and LSU rRNA genes were used to determine whether Togninia has more affinity with the Calosphaeriales or the Diaporthales . These results confirmed that Togninia had a higher affinity to the Diaporthales than the Calosphaeriales . Examination of type specimens revealed that T.cornicola , T.vasculosa , T . rhododendri, T . minima var. timidula and T.villosa , were not members of Togninia . New combinations such as Calosphaeria cornicola,Calosphaeriarhododendri , Calosphaeriatransversa , Calosphaeriatumidula,Calosphaeriavasculosa and Jattaeavillosawere therefore proposed to accommodate these species.

    The correct and rapid identification of Phaeoacremonium species is important tofacilitate the understanding of their involvementin plant as well as human disease. A rapid identification method was developed for the 22 species of Phaeoacremonium currently recognised. It involved the use of 23 species-specific primers, including 20 primers targeting the β-tubulin gene and three targeting the actin gene. These primers can be used in 14 multiplex reactions. Additionally a multiple-entry electronic key based on morphological, cultural andb-tubulin sequence data was developed to facilitate routine species identification. This database can be accessed online athttp://www.cbs.knaw.nl/phaeoacremonium.htm. With this identification tool phenotypic and sequence data can be used to identify the different Phaeoacremonium species. Separate dichotomous keys were provided for the identification of the Togninia and Phaeoacremonium species based on phenotypic characters. Additionally, keys for the identification of Phaeoacremonium -like fungi and the genera related to Togninia were also provided. 

    The mating strategy of several Togninia species was investigated with ascospores obtained from fertile perithecia produced in vitro . Togninia argentinensis and T.novae-zealandiae have homothallic mating systems, whereas T. austroafricana , T. krajdenii , T. minima , T.parasitica , T. rubrigena and T. viticola are heterothallic. The species predominantly isolated from diseased grapevines are Pm. aleophilum , Pm. parasiticum and Pm. viticola . Perithecia of two of these species, T. minima and T. viticola , have been found on grapevines in the field, indicating that these species recombine in vineyards. 

    The genetic diversity among isolates ofPa.chlamydospora on grapevines was investigated by means of Amplified Fragment Length Polymorphisms (AFLPs). Phaeomoniellachlamydospora isolates were collected from different positions on the same vine, different vines within a vineyard and different vineyards withinSouth Africa. Selected isolates from various grape producing countries, namelyAustralia,France,Italy,Iran,New Zealand,SloveniaandU.S.A.were also included. The overall low level of genetic variation confirmed asexual reproduction to be dominantin the field. Different genotypes were found among isolates ofPa.chlamydospora within the same grapevine, suggesting multiple infections from different inoculum sources. Isolates from different countries had a high percentage of similarity and clustered together, indicating the absence of genotype-geographic structure. The presence of the same genotype in different vineyards and production areas suggests that long-range dispersal through aerial inoculum or infected plant material played an important role in genotype distribution. 

    Seven species of Togninia and 15 species of Phaeoacremonium were newly described during the course of this study. The data obtained in this study, as well as the newly developed dichotomous and online polyphasic keys will enable scientists to correctly identify all the known species and also provide a reference database to which new species can be added in future. The newly reported host ranges and distributions, together with pathogenicity data, will enable scientists to identify species of possible quarantine concern.

    Veldgids amfibieën en reptielen
    Stumpel, T. ; Strijbosch, H. - \ 2006
    Utrecht : KNNV (Veldgids nr. 20) - ISBN 9789050111683 - 320
    amphibia - reptielen - herpetologie - determinatietabellen - identificatie - zoögeografie - foto's - europa - amphibia - reptiles - herpetology - keys - identification - zoogeography - photographs - europe
    Heukels Flora van Nederland 23e druk
    Meijden, R. van der - \ 2005
    Groningen : Wolters-Noordhoff - ISBN 9789001583446 - 685 p.
    planten - determinatietabellen - identificatie - taxonomie - taxa - klassen - plantengeografie - nederland - plants - keys - identification - taxonomy - taxa - genera - phytogeography - netherlands
    Dit is het standaardwerk over de flora van Nederland. U vindt in 1 band de meest complete, wetenschappelijk betrouwbare flora. Met 2.000 soorten - een toename van 8% sinds 1996 - en een schat aan gedetailleerde illustraties. De enige flora die op ruime schaal op veldexcursies wordt getest. Sinds het uitkomen van de vorige editie is het internationale onderzoek naar de afstamming van planten (en dieren) in een bijna revolutionaire versnelling gekomen. Deze nieuwe inzichten zijn op een verantwoorde wijze ingepast. De gevolgen zijn duidelijk zichtbaar in de nieuwe volgorde der ordes en families, en deels ook in de verdeling van de genera over de families. In driekwart van de families is daarin niet veel veranderd, maar voor bijna alle families geldt dat zij op een andere positie in het boek verschijnen. De nieuwste inzichten op basis van wereldwijd DNA-zonderzoek zijn verwerkt.
    Flora agaricina Neerlandica
    Noordeloos, M.E. ; Kuyper, T.W. ; Vellinga, E.C. - \ 2005
    Boca Raton : Taylor & Francis (Flora agaricina Neerlandica 6) - ISBN 9789054104964 - 227
    agaricales - basidiomycotina - taxonomie - determinatietabellen - identificatie - nederland - agaricales - basidiomycotina - taxonomy - keys - identification - netherlands
    De Nederlandse kokerjufferlarven; determinatie en ecologie
    Higler, B. - \ 2005
    Utrecht : KNNV - ISBN 9789050112123 - 160
    trichoptera - larven - identificatie - taxonomie - ecologie - waterkwaliteit - nederland - determinatietabellen - aquatische ecosystemen - macrofauna - trichoptera - larvae - identification - taxonomy - ecology - water quality - netherlands - keys - aquatic ecosystems - macrofauna
    Kokerjufferlarven leven in het water, zijn niet zo makkelijk te vinden en zijn daardoor een onbekende groep insecten. Toch zijn het boeiende diertjes en indicatoren voor schoon water. Dit boek geeft een compleet beeld van alle 150 Nederlandse soorten, plus determinatietabel
    Setaria faberi Herrm. (Chinese naaldaar) in Nederland over 't hoofd gezien
    Dirkse, G.M. ; Reijerse, A.I. ; Abbink-Meijerink, C.G. - \ 2001
    Gorteria 27 (2001)5. - ISSN 0017-2294 - p. 109 - 114.
    setaria faberi - wilde planten - onkruiden - bouwland - akkergronden - flora - identificatie - karakteristieken - determinatietabellen - plantengeografie - plantenanatomie - plantenmorfologie - akkeronkruid - vegetatie - setaria faberi - wild plants - weeds - arable land - arable soils - flora - identification - characteristics - keys - phytogeography - plant anatomy - plant morphology
    Setaria faberi, een adventief uit Oost- en Zuidoost-Azië, is volledig ingeburgerd als akkeronkruid in maïsakkers maar werd lange tijd over het hoofd gezien wegens de gelijkenis met S. viridis. Beschrijving van de soort, voorkomen binnen en buiten Nederland, en een nieuwe sleutel voor de determinatie van Setaria-soorten
    Nematoda, Secernentea(Tylenchida, Aphelenchida)
    Loof, P.A. - \ 2001
    Heidelberg : Spektrum Akademischer Verslag - ISBN 9783827410719 - 246
    nematoda - vrijlevende nematoden - zoet water - dieranatomie - morfologie - determinatietabellen - identificatie - verzamelen - aphelenchidae - tylenchidae - taxonomie - centraal-europa - nematoda - free living nematodes - fresh water - animal anatomy - morphology - keys - identification - collection - aphelenchidae - tylenchidae - taxonomy - central europe
    Series of revisions of Apocynaceae XLIX, Carissa L.
    Leeuwenberg, A.J.M. ; Dilst, F.J.H. van - \ 2001
    Leiden : Backhuys (Wageningen University Papers 2001-1) - ISBN 9789057820977 - 109
    apocynaceae - taxonomische revisies - determinatietabellen - identificatie - carissa - carissa - apocynaceae - taxonomic revisions - keys - identification
    Dagvlinders van Europa
    Halder, I. van; Wynhoff, I. ; Swaay, C. van - \ 2000
    Amsterdam : ETI Expert Center for Taxonomic Identification - ISBN 9789021595030
    lepidoptera - identificatie - determinatietabellen - zoögeografie - ecologie - habitats - europa - lepidoptera - identification - keys - zoogeography - ecology - habitats - europe
    Dagvlinders is gebaseerd op de ETI CD-ROM Dagvlinders van Europa (Van Halder, Wynhoff en Van Swaay, 2000). Dit programma toont informatie over meer dan 400 Europese dagvlinders. Elke soort is geïllustreerd met gedetailleerde tekeningen en foto's. De tekst behandelt ecologie, verspreiding, habitat en vluchtperiode. Het programma bevat verder een kennistest en interactieve verspreidingkaarten.
    Gramineae
    Sosef, M.S.M. - \ 1999
    Paris : Association de Botanique Tropicale (Flore de Gabon 5bis) - ISBN 9782856542101 - 78
    poaceae - flora - determinatietabellen - identificatie - taxonomie - gabon - poaceae - flora - keys - identification - taxonomy - gabon
    Pachypodium (Apocynaceae)
    Rapanarivo, S.H.J.V. - \ 1999
    Agricultural University. Promotor(en): L.J.G. van der Maesen; A.J.M. Leeuwenberg. - Rotterdam etc. : Balkema - ISBN 9789054104841 - 120
    pachypodium - planten - taxonomie - identificatie - determinatietabellen - plantengeografie - taxonomische revisies - madagascar - afrika - pachypodium - plants - taxonomy - identification - keys - phytogeography - taxonomic revisions - madagascar - africa

    The genus Pachypodium (Apocynaceae) comprises 23 species. Eighteen are endemic to Madagascar and five occur in continental African (Angola, Mozambique, South Africa, Swaziland and Zimbabwe). The study is based on herbarium material and living plants. The varieties P. baronii var. windsorii and P. rosulatum var. gracilius are raised to the rank of species and P. cactipes , cited as synonym of P. rosulatum by Markgraf (1976), is reinstated as a distinct species. Recently three new species have been described: P. bicolor , P. eburneum and P. inopinatum and these have been maintained.

    The key consists of an introductory part, keying out the most conspicuous life forms, and leading to the regional keys for Madagascar and for continental Southern Africa.

    Nematoda, Adenophorea (Dorylaimida)
    Loof, P.A.A. - \ 1999
    Heidelberg [etc.] : Spektrum - ISBN 9783827409034 - 264
    nematoda - vrijlevende nematoden - zoet water - nematologie - determinatietabellen - taxonomie - europa - nematoda - free living nematodes - fresh water - nematology - keys - taxonomy - europe
    Series of revisions of Apocynaceae XLVII. The genus Cerbera L
    Leeuwenberg, A.J.M. - \ 1999
    Wageningen : Wageningen Agricultural University (Wageningen Agricultural University papers 98-3) - ISBN 9789057820199 - 64
    apocynaceae - cerbera - soorten - taxonomische revisies - plantengeografie - determinatietabellen - apocynaceae - cerbera - species - taxonomic revisions - phytogeography - keys
    Combretaceae
    Jongkind, C.C.H. - \ 1999
    Paris : Museum National d'Histoire Naturelle - ISBN 9782856542040 - 115
    combretaceae - taxonomie - soorten - identificatie - determinatietabellen - plantengeografie - gabon - combretaceae - taxonomy - species - identification - keys - phytogeography - gabon
    A revision of prioria, including Gossweilerodendron, Kingiodendron, Oxystigma, and Pterygopodium (Leguminosae-Caesalpinioideae-Detarieae) with emphasis on Africa
    Breteler, F.J. - \ 1999
    Wageningen : Wageningen Agricultural University (Wageningen Agricultural University papers 99-3) - ISBN 9789057820458 - 61
    caesalpinioideae - soorten - taxonomische revisies - identificatie - plantengeografie - habitats - determinatietabellen - afrika - azië - pacifische eilanden - caesalpinioideae - species - taxonomic revisions - identification - phytogeography - habitats - keys - africa - asia - pacific islands
    The sections of Begonia including descriptions, keys and species lists (Studies in Begoniaceae VI).
    Doorenbos, J. ; Sosef, M.S.M. ; Wilde, J.J.F.E. de - \ 1998
    Wageningen : Wageningen Agricultural University (Wageningen Agricultural University papers 98-2) - ISBN 9789057820076 - 266
    begonia - begoniaceae - soorten - taxonomie - identificatie - determinatietabellen - sierplanten - bloemen - amerika - afrika - azië - begonia - begoniaceae - species - taxonomy - identification - keys - ornamental plants - flowers - america - africa - asia
    Revision of the genus Ficus L. (Moraceae) in Ethiopia
    Aweke, G. - \ 1979
    Landbouwhogeschool Wageningen (Mededelingen / Landbouwhogeschool 79-3) - 115 p.
    moraceae - plants - keys - taxonomic revisions - identification - ethiopia
    Rotylenchulus borealis n.sp. with a key to the species of Rotylenchulus
    Loof, P.A.A. ; Oostenbrink, M. - \ 1962
    Nematologica 7 (1962)1. - ISSN 0028-2596 - p. 83 - 90.
    differentiële diagnose - vruchten - nieuwe combinatie - nieuwe soorten - boomgaarden - wortels - bodem - aardbeien - Fragaria - Nederland - Rosaceae - Rosales - tweezaadlobbigen - bedektzadigen - Spermatophyta - planten - eukaryoten - Benelux - ontwikkelde landen - landen van de Europese Unie - Koninkrijk der Nederlanden - OESO-landen - West-Europa - Europa - Balkan - Zuid-Europa - Middellandse-Zeegebied - Joegoslavië - taxonomie - differential diagnosis - fruits - new combination - new species - orchards - roots - soil - strawberries - Fragaria - Netherlands - Rosaceae - Rosales - dicotyledons - angiosperms - Spermatophyta - plants - eukaryotes - Benelux - Developed Countries - European Union Countries - Kingdom of the Netherlands - OECD Countries - Western Europe - Europe - Balkans - Southern Europe - Mediterranean Region - Yugoslavia - taxonomy
    Rotylenchulus borealis n.sp. is described and illustrated from specimens collected from the roots of grasses near Arnhem, Netherlands. Dimensions of males and of immature and mature females are given. The species occurs in other localities in the Netherlands and has been found in soil around plum, apple and strawberry roots; a single immature female has also been recorded from a potato field in Yugoslavia. Adult females of R. borealis occur predominantly only on the roots of grasses near fruit trees-possibly this is because the soil type of most large Dutch orchards is suitable for the nematode. A key to the 6 described species of Rotylenchulus and a differential diagnosis for R. borealis are given. R. leiperi is cited as a new combination for Leiperotylenchus leiperi Das, 1960. T.D.W.
    De Nederlandse knaagdieren : Rodentia
    Wijngaarden, A. van - \ 1961
    Hoogwoud : K.N.N.V. (Wetenschappelijke mededelingen / Koninklijke Nederlandse Natuurhistorische Vereniging no. 40) - 31
    lagomorpha - knaagdieren - dieren - identificatie - nederland - determinatietabellen - lagomorpha - rodents - animals - identification - netherlands - keys
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