Publication
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New species of Demospongiae (Porifera) from the national park “Archipiélago de los Roques”, Venezuela Article
Bijdragen tot de dierkunde, 57(1), 31-41.January 1987
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New observations on Scleractinian Corals from Indonesia: 1. free-living species belonging to the Faviina Article
Zoologische Mededelingen, 61(27), 387-403.January 1987
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Zetorchestes-Arten aus Neuguinea und Japan (Acari: Oribatida: Zetorchestidae) Article
Zoologische Mededelingen, 61(24), 327-357.January 1987
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Florasymposium ‘Vijftig jaar later’ Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 13(10), 248-248.January 1987
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A revision of the genus Maesa Forsk. (Myrsinaceae) in New Guinea, the Moluccas, and the Solomon Islands Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 32(1), 39-65.January 1987
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On the identity of Curvularia subulata Article
Persoonia - Molecular Phylogeny and Evolution of Fungi, 13(3), 381-382.January 1987
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In Memoriam C.G.G.J. van Steenis (1901—1986) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 32(1), 1-37.January 1987
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The early development of inflorescences and flowers of the oil palm (Elaeis guineensis Jacq.) seen through the scanning electron microscope Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 32(1), 67-78.January 1987