Publication
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Time, space, light and darkness in the metabolic flare-up of the Sauromatum appendix Article
Acta botanica neerlandica, 18(1), 159-172.January 1969
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The wood structure of Dicranostyles (Convolvulaceae) Article
Acta botanica neerlandica, 18(1), 173-179.January 1969
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Some investigations on the Mycorrhiza of Calluna, Erica and Vaccinium Article
Acta botanica neerlandica, 18(1), 180-196.January 1969
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Three new species and a new subspecies of Marcgravia and Souroubea (Marcgraviaceae) from Central America Article
Acta botanica neerlandica, 18(1), 197-202.January 1969
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Nucleic acids in plastids and starch formation Article
Acta botanica neerlandica, 18(1), 203-215.January 1969
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Joseph Gaertner and his carpologia Article
Acta botanica neerlandica, 18(1), 216-223.January 1969
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Studies on phloem exudation from Yucca flaccida Haw. VII. The effect of cooling on exudation Article
Acta botanica neerlandica, 18(1), 224-229.January 1969
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Intimations on Quaternary palaeoecology of Africa Article
Acta botanica neerlandica, 18(1), 230-239.January 1969