Publication
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The Convolvulaceae of Malaysia, VII Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 7(1), 171-178.January 1952
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The Convolvulaceae of Malaysia, VIII Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 7(1), 179-192.January 1952
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Review Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 7(1), 305-306.January 1952
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Notes on Malay Compositae III Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 7(1), 288-291.January 1952
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A revision of the genus Dillenia Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 7(1), 1-145.January 1952
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Bibliography Article
Flora Malesiana Bulletin, 9(1), 294-310.January 1952
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Concise revision of the Sarcospermataceae Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 7(1), 148-153.January 1952
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Plantae a Th. Herzogio in itinere Eius Boliviensi Altero annis 1910 et 1911 collectae. Pars X. Compositae (Continuatio) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 7(1), 193-205.January 1952