Publication
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Het voorkomen van Ancistrocerus antilope in Nederland (Hymenoptera: Vespidae: Eumeninae) Article
Nederlandse Faunistische Mededelingen, 23-28.January 2009
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The demarcation and internal division of Flora Malesiana: 1857 – present Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 54(1/3), 6-10.January 2009
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De dansmug Psectrocladius schlienzi nieuw voor Nederland, met een beschrijving van de larve (Diptera: Chironomidae) Article
Nederlandse Faunistische Mededelingen, 17-22.January 2009
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Vessel grouping patterns in subfamilies Apocynoideae and Periplocoideae confirm phylogenetic value of wood structure within Apocynaceae Article
American Journal of Botany, 96(12), 2168-2183.January 2009
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January 2009
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Podostemaceae of Malesia: taxonomy, phylogeny and biogeography Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 54(1/3), 198-202.January 2009
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Description of four new species of Gulella Pfeiffer, 1856 from Eastern Cape, South Africa, with additional notes on two poorly known species (Mollusca: Eupulmonata: Streptaxidae) Article
Zoologische Mededelingen, 83(6), 547-564.January 2009
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Intersite epibiosis characterization on dominant mangrove crustacean species from Malaysia Article
Contributions to Zoology, 78(1), 9-23.January 2009