Publication
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Studies on the tribe Saccopetaleae (Annonaceae) — II. Additions to the genus Orophea Blume Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 34(2), 505-516.January 1990
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January 1990
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Opmerkingen over nomenklatuur en determinatie van Chironomidae Article
Nederlandse Faunistische Mededelingen, 1(C), 86-87.January 1990
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The Genera Mithrax Latreille, 1818 and Mithraculus White, 1847 (Crustacea: Brachyura: Majidae) in the Western Atlantic Ocean Article
Zoologische Verhandelingen, 264(1), 1-65.January 1990
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The status of Carissa laxiflora Benth. and Carissa papuana Markgraf (Apocynaceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 35(1), 263-264.January 1990
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Species of Pleistodontes from the Australian continent (Hymenoptera, Agaonidae) Article
Beaufortia, 41(29), 219-225.January 1990
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De larven der Nederlandse Chironomidae (Diptera) Deel C: Autoekologie en verspreiding Article
Nederlandse Faunistische Mededelingen, 1(C), 1-85.January 1990
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Herbaria, gardens, organisations Article
Flora Malesiana Bulletin, 10(3), 233-239.January 1990