A. Morphology

I. Special Cytology. Cytology and Morphogenesis of the Fungal Cell
B. Physiology
I. Plant Water Relations
II. Mineral Metabolism. Absorption and Translocation of Mineral Ions in Higher Plants
III. Photosynthesis. Structure and Function of the Photosynthetic Membrane
IVa. Metabolism of Inorganic Nitrogen Compounds
IVb. Metabolism of Organic N-Compounds. Ammonium Assimilation and Amino Acid Metabolism
V. Secondary Plant Substances. Special Topics of the Phenyl-propanoid Metabolism
VI. Growth
VII. Developmental Physiology
VIII. Bewegungen
C. Genetics
I. Replication. Replication of the Eukaryotic Chromosome
II. Recombination. Asexual Recombination in Higher Plants
III. Mutation: Higher Plants
IV. Function of Genetic Material. Organization and Function of the Eukariotic Genome
V. Extranucleäre Vererbung. Die Morphologie extranucleärer Erbträger im Verlauf des Lebenszyklus
VI. Population Genetics
D. Taxonomy
I. Systematics and Evolution of Seed Plants
II. Paläobotanik. Bericht über die Jahre 1975-1978
E. Geobotany
I. Areal- und Florenkunde (Floristische Geobotanik)
II. The History of Flora and Vegetation During the Quaternary
III. Vegetation Science (Sociological Geobotany).