Review -- A Life History Between Science and Philosophy -- Genetics -- Recombination: RNA - A Powerful Tool for Recombination and Regulated Expression of Genes -- Mutation: Sugar Signaling Mutants in Arabidopsis -- Cell Biology: The Green Alga Chlamydomonas reinhardtii - A Genetic Model Organism -- Extranuclear Inheritance: Mitochondrial Genetics and Biogenesis -- Population Genetics: Biodiversity in Anthropogenic Landscapes - Population Genetics and Ecological Modelling -- Plant Breeding: Recent Advances in Molecular Breeding of Oilseed Rape (Brassica napus L.) -- Plant Breeding: Clonality - A Concept for Stability and Variability During Vegetative Propagation -- Physiology -- Proton Channelling b-Type Cytochromes in Plant Plasma Membranes? -- Photosynthesis. Carbon Metabolism: The Calvin Cycle's Golden Jubilee -- Physiology of Ectomycorrhiza (ECM) -- Network Dynamics in Plant Biology: Current Progress in Historical Perspective -- Ecology -- UV-B Radiation, Photomorphogenesis and Plant-Plant Interactions -- Vertical Vegetation Structure Below Ground: Scaling from Root to Globe -- Ectomycorrhizal Community Structure: Linking Biodiversity to Function -- Tracing the Behaviour of Plants in Ecosystems: How Can Molecular Ecology Help? -- History of Flora and Vegetation During the Quaternary North America. With one volume each year, this series keeps scientists and advanced students informed of the latest developments and results in all areas of the plant sciences. The present volume includes reviews on genetics, cell biology, physiology, comparative morphology, systematics, ecology, and vegetation science.