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Auteur Johannes Leonardus Cornelis Hendrikus van Valkenburg (1964) |
Documents disponibles écrits par cet auteur (19)
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Information on measures and related costs in relation to species included on the Union list: Ambrosia confertiflora / Johannes Leonardus Cornelis Hendrikus van Valkenburg (2018)
Titre : Information on measures and related costs in relation to species included on the Union list: Ambrosia confertiflora : Technical note prepared by IUCN for the European Commission. Type de document : Électronique Auteurs : Johannes Leonardus Cornelis Hendrikus van Valkenburg (1964) Editeur : International Union for Conservation of Nature Année de publication : 2018 Importance : 15 p. Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Plantes subspontanées, naturalisées, envahissantes Mots-clés : Ambrosia confertiflora Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=147691 Valkenburg, J.L.C.H.v. 2018. Information on measures and related costs in relation to species included on the Union list: Ambrosia confertiflora : Technical note prepared by IUCN for the European Commission. International Union for Conservation of Nature, [S.l.]. 15 pp.Documents numériques
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Note technique (2018)Adobe Acrobat PDF Information on measures and related costs in relation to species included on the Union list: Andropogon virginicus / Johannes Leonardus Cornelis Hendrikus van Valkenburg (2018)
Titre : Information on measures and related costs in relation to species included on the Union list: Andropogon virginicus : Technical note prepared by IUCN for the European Commission. Type de document : Électronique Auteurs : Johannes Leonardus Cornelis Hendrikus van Valkenburg (1964) Editeur : International Union for Conservation of Nature Année de publication : 2018 Importance : 17 p. Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Plantes subspontanées, naturalisées, envahissantes Mots-clés : Andropogon virginicus Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=147693 Valkenburg, J.L.C.H.v. 2018. Information on measures and related costs in relation to species included on the Union list: Andropogon virginicus : Technical note prepared by IUCN for the European Commission. International Union for Conservation of Nature, [S.l.]. 17 pp.Documents numériques
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Note technique (2018)Adobe Acrobat PDF Information on measures and related costs in relation to species included on the Union list: Gymnocoronis spilanthoides / Johannes Leonardus Cornelis Hendrikus van Valkenburg (2017)
Titre : Information on measures and related costs in relation to species included on the Union list: Gymnocoronis spilanthoides : Technical note prepared by IUCN for the European Commission. Type de document : Électronique Auteurs : Johannes Leonardus Cornelis Hendrikus van Valkenburg (1964) Editeur : International Union for Conservation of Nature Année de publication : 2017 Importance : 12 p. Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Plantes subspontanées, naturalisées, envahissantes Mots-clés : Gymnocoronis spilanthoides Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=147690 Valkenburg, J.L.C.H.v. 2017. Information on measures and related costs in relation to species included on the Union list: Gymnocoronis spilanthoides : Technical note prepared by IUCN for the European Commission. International Union for Conservation of Nature, [S.l.]. 12 pp.Documents numériques
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Note technique (2017)Adobe Acrobat PDF Information on measures and related costs in relation to species included on the Union list: Hygrophila polysperma / Johannes Leonardus Cornelis Hendrikus van Valkenburg (2017)
Titre : Information on measures and related costs in relation to species included on the Union list: Hygrophila polysperma : Technical note prepared by IUCN for the European Commission. Type de document : Électronique Auteurs : Johannes Leonardus Cornelis Hendrikus van Valkenburg (1964) Editeur : International Union for Conservation of Nature Année de publication : 2017 Importance : 13 p. Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Plantes subspontanées, naturalisées, envahissantes Mots-clés : Hygrophila polysperma (Roxb.) T.Anderson Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=147692 Valkenburg, J.L.C.H.v. 2017. Information on measures and related costs in relation to species included on the Union list: Hygrophila polysperma : Technical note prepared by IUCN for the European Commission. International Union for Conservation of Nature, [S.l.]. 13 pp.Documents numériques
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Note technique (2017)Adobe Acrobat PDF Knowledge document for risk analysis of the non-native Curly Waterweed (Lagarosiphon major) in the Netherlands / J. Matthews (2012)
Titre : Knowledge document for risk analysis of the non-native Curly Waterweed (Lagarosiphon major) in the Netherlands Type de document : Électronique Auteurs : J. Matthews ; R. Beringen ; Frank P. L. Collas ; KR Koopman ; B. Odé ; R. Pot ; L. B. Sparrius ; Johannes Leonardus Cornelis Hendrikus van Valkenburg (1964) ; L. N. H. Verbrugge ; Rob S. E. W. Leuven Editeur : Nijmegen : Department of Environmental Science Année de publication : 2012 Importance : 46 p. Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Plantes subspontanées, naturalisées, envahissantes Mots-clés : Lagarosiphon major (Ridl.) Moss, 1928 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=82836 Matthews, J., Beringen, R., Collas, FPL., Koopman, K., Odé, B., Pot, R., Sparrius, LB., Valkenburg, J.L.C.H.v., Verbrugge, LNH., Leuven, RSEW. 2012. Knowledge document for risk analysis of the non-native Curly Waterweed (Lagarosiphon major) in the Netherlands. Department of Environmental Science, Nijmegen. 46 pp.Documents numériques
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Rapport (2012)Adobe Acrobat PDF Knowledge document for risk analysis of the non-native Monkeyflower (Mimulus guttatus) in the Netherlands / KR Koopman (2012)
PermalinkMonographs on invasive plants in Europe N° 5: Ambrosia trifida L. / Bruno Chauvel in Botany letters, 168 (2) (2021)
PermalinkMyriophyllum rubricaule sp. nov., a M. aquaticum look-alike only known in cultivation / Johannes Leonardus Cornelis Hendrikus van Valkenburg in European Journal of Taxonomy, 828 (2022)
PermalinkNaturalised Hakea. What species are we actually talking about in Europe? / Johannes Leonardus Cornelis Hendrikus van Valkenburg in Botany letters, (2024)
PermalinkPermalinkPennisetum setaceum or Pennisetum advena cultivars, what ornamental do we have in our garden / Johannes Leonardus Cornelis Hendrikus van Valkenburg in Ecology and evolution, 11 (2021)
PermalinkA prioritization process for invasive alien plant species incorporating the requirements of EU Regulation no. 1143/2014 / Étienne Branquart in Bulletin OEPP, 46 (1) (2016)
PermalinkReproduction of Crassula helmsii by seed in western Europe / Bram D'hondt in Aquatic invasions, 11 (2) (2016)
PermalinkRisk analysis of non-native Curly Waterweed (Lagarosiphon major) in the Netherlands / J. Matthews (2012)
PermalinkRisk analysis of the non-native Monkeyflower (Mimulus guttatus) in the Netherlands / J. Matthews (2012)
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