Publication
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An undescribed race of Coereba Flaveola from Bonaire Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 6(1), 83-85.January 1955
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Freshwater Bryozoa (Phylactolaemata) from Curaçao, Aruba and Bonaire Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 6(1), 86-88.January 1955
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Novitates Vochysiacearum I Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 123(1), 405-411.January 1955
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A monograph of the Vochysiaceae. IV. Erisma Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 125(1), 459-480.January 1955
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Revision of the Burseraceae of the Malaysian Area in a wider sense. Va. Haplolobus Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 8(1), 175-180.January 1955
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Dr P. Jansen (1882—1955) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 8(1), 1-1.January 1955
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Report on the Syrphid Flies, collected by the „Fourth Dutch Karakorum Expedition, 1935” Article
Beaufortia, 5(47), 47-51.January 1955
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Review. Flower morphology, a source of evidence for evolution as a physiological process Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 8(1), 195-199.January 1955