Publication
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Bemerkungen über das Vorkommen rudimentärer Stipeln. I. Cyrillaceae und die Gattung Cyrillopsis Kuhlm. II. Alzatea Ruiz & Pav. (Lythraceae) und Tristania R. Br. Article
Acta botanica neerlandica, 17(4), 282-287.January 1968
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The identity of Adenia schweinfurthii Engler (Passifloraceae), with a key to the African species of Adenia section Blepharanthes (J.E. Smith) Miquel Article
Acta botanica neerlandica, 17(4), 288-292.January 1968
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The light promoted germination of the seeds of Chenopodium album L.; II. Effects of (RS)-Abscisic acid Article
Acta botanica neerlandica, 17(4), 293-308.January 1968
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Flowering of Spirodela polyrhiza (L.) Schleiden Article
Acta botanica neerlandica, 17(5), 357-359.January 1968
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Über die Rudimentärstipeln der Resedaceae Article
Acta botanica neerlandica, 17(5), 360-372.January 1968
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Plant hormones and flowering in Coffee Article
Acta botanica neerlandica, 17(5), 373-376.January 1968
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Notes on Bredemeyera (Comesperma) with a new papuan species and the Australian species listed (Polygalaceae) Article
Acta botanica neerlandica, 17(5), 377-384.January 1968
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On gravi-sensitivity in plants Article
Acta botanica neerlandica, 17(5), 385-389.January 1968