Dr. scient. (PhD), University of Oslo, 1988
Cand. real. in systematic botany, 1982
Teaching and tutoring
Systematics and evolution of plants (Bio4250). Biodiversity (Bio4230). Molecular systematics.
Biosystematics of flowering plants including, taxonomy, cytology, reproductive biology, biogeography and molecular methods, with emphasis on the following plant families: Hyacinthaceae, Dracaenaceae, Anthericaceae and Amaryllidaceae. Field experience from Cameroun, Ethiopia, Kenya, Tanzania, Malawi, Zambia, Zimbabwe, Botswana, Namibia, South Africa, Crete, Madeira and Norway.