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Botanica Helvetica

Botanica Helvetica Volume 99 (1989)
Heading Page
Front matter
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Table of Contents
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Issue 1 _
Table of Contents
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Article Nouvelles observations sur la végétation alpine et subnivale des environs de Zermatt (Valais, Suisse)
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1
Article Une espèce nouvelle de Pandanus (Pandanaceae) du Mozambique
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21
Article Changement floristique depuis 1950 dans les forêts des Alpes suisses
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27
Article A new subspecies of Saccoloma elegans : studies in the Flora of the Guianas, no 39
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45
Article Reproductive effort or reproductive offer? : a revised approach to reproductive strategies of flowering plants
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49
Article Foliar sclereids and vein sheaths in the New Caledonian species of Scaevola L. (Goodeniaceae)
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65
Article Photoperiodic floral induction and glucose content changes in spinach, mustard and Chenopodium rubrum plants
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73
Article Ramularia Rubella (Bon.) Nannf. as a potential mycoherbicide against Rumex weeds
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81
Issue 2 _
Front matter
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Table of Contents
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Article Bau und Entwicklung landbewohnender Utricularia- Arten
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91
Article Developmental morphology of stipules and systematics of the Cunoniaceae and presumed allies. I, Taxa with interpetiolar stipules
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147
Article Modulation of the glyceraldehyde-3-phosphate dehydrogenase isozyme activities in spinach leaves
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171
Article Redistributions du potassium dans le pulvinus secondaire de Phaseolus vulgaris L. au cours du mouvement foliaire circadien
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179
Article Auswirkungen niedriger Temperaturen auf die Fettsäurezusammensetzung der Kalluskulturen von Cichorium endivia L. und Lactuca sativa L.
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189
Article Agarose gel electrophoresis of fern extracts to detect enzyme polymorphisms : an alternative method to starch gel electrophoresis
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197
Article A convenient, sensitive and rapid assay for antibacterial activity of phytoalexins
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203