Graduate, University Cologne, 1967. Bachelor of Science, University Lund, Sweden, 1971. Doctor of Philosophy, University Lund, Sweden, 1979.
Assistant professor systematic botany, U. Lund, 1981-1983; associate professor, U. Lund, since 1983; director Herbarium, U. Lund, since 1994. Member several major science expeditions to South Georgia, Arctic Russia. Botanical excursions in European countries, North America, South America, and Africa.
With Swedish Army, 1966. Fellow Linnean Society. Member British Lichen Society, Swedish Linnean Society.
Married Elna Maria Edwards, June 26, 1976. Children: Karin, Kerstin, Ola.