Publication
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Wild Einkorn wheat and barley from Tell Mureybit in northern Syria Article
Acta botanica neerlandica, 17(1), 44-53.January 1968
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A key to the species of Adenia section Ophiocaulon (Passifloraceae) mainly based on vegetative characters, with the description of two new taxa Article
Acta botanica neerlandica, 17(2), 126-136.January 1968
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A contribution towards the developmental gynoecium morphology of Engelhardia spicata Lechen. ex Blume (Juglandaceae) Article
Acta botanica neerlandica, 17(2), 137-150.January 1968
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An anatomical study of some woody plants of the mountain flora in the Tropics (Indonesia) Article
Acta botanica neerlandica, 17(2), 151-159.January 1968
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Meetings of the Botanical Society Article
Acta botanica neerlandica, 17(2), 160-162.January 1968
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Book Review Article
Acta botanica neerlandica, 17(2), 163-164.January 1968
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Parnassia palustris in the Netherlands Article
Acta botanica neerlandica, 17(3), 165-172.January 1968
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Description of Ranunculus repens L. and Ranunculus arvensis L. pollen Article
Acta botanica neerlandica, 17(3), 173-182.January 1968