Publication
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Book Review Article
Acta botanica neerlandica, 19(1), 119-120.January 1970
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The ultrastructure of the synergids of Petunia Article
Acta botanica neerlandica, 19(2), 121-132.January 1970
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The descent of the flowering plants in the light of new evidence from phytochemistry and from other sources. II Suggestions for a holotaxonomic major classification Article
Acta botanica neerlandica, 19(2), 133-140.January 1970
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Separation of IAA degrading enzymes from pea roots on columns of polyvinylpyrrolidone. II Article
Acta botanica neerlandica, 19(2), 141-146.January 1970
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Rumex angiocarpus in South Africa Article
Acta botanica neerlandica, 19(2), 285-286.January 1970
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Floristic and ecological data on the lianes of the Brokopondo district, Surinam Article
Acta botanica neerlandica, 19(2), 287-296.January 1970
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The light promoted germination of the seeds of Chenopodium album L. VI. Pfr requirement during different stages of the germination process Article
Acta botanica neerlandica, 19(3), 297-312.January 1970
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The ultrastructure of the egg and central cell of Petunia Article
Acta botanica neerlandica, 19(3), 313-322.January 1970