Publication
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The New World Species of Trichomanes Sect. Didymoglossum and Microgonium Article
Acta botanica neerlandica, 11(3), 277-330.January 1962
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Respiration of the Iris Bulb in relation to the Temperature and the Growth of the Primordia Article
Acta botanica neerlandica, 11(4), 331-410.January 1962
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The Development of the Rye Spike until Emergence Article
Acta botanica neerlandica, 11(4), 411-417.January 1962
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The Distribution of Carbohydrates in Root and Stem Tissues of the Tomato Plant Article
Acta botanica neerlandica, 11(4), 418-424.January 1962
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Fossil Salix polaris Wahlbg. in the Netherlands Article
Acta botanica neerlandica, 11(4), 425-427.January 1962
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The genus Sorocea St. Hil. (Morac.) Article
Acta botanica neerlandica, 11(4), 428-477.January 1962
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Book Reviews of publications related to botanical work in the Netherlands Article
Acta botanica neerlandica, 11(4), 478-478.January 1962
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Verslag over de Herfsttrek van 1961 Article
Het Vogeljaar, 10(5), 402-406.January 1962