Publication
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Traces of ancient Dichotomies in angiosperms. (A contribution to our Knowledge of Phyllospory and Stachyospory) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 6(1), 290-301.January 1947
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Revision of the lichens of the Netherlands. I. Parmeliaceae Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 6(1), 1-199.January 1947
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Notes on the Flora of Java, III. Some remarks on the Moraceae of Java Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 6(1), 302-309.January 1947
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The Netherlands’ marine Cladophora species Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 6(1), 274-281.January 1947
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Personal news Article
Flora Malesiana Bulletin, 2(1), 42-43.January 1947
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Over Dicaeum sanguinolentum sanguinolentum Temm. en Dicaeum sanguinolentum ablutum Rob. & Kloss van West- en Oost-Java Article
Zoologische Mededelingen, 28(6), 261-266.January 1947
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Is Zosterops javanica elongata inderdaad goed onderscheidbaar van Zosterops javanica frontalis? Article
Zoologische Mededelingen, 28(9), 272-274.January 1947
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The South American Nematognathi of the museums at Leiden and Amsterdam Article
Zoologische Mededelingen, 27(1), 1-204.January 1947