Norwegian language | Norwegian University of Science and Technology | Norwegian people | arboretum | Norwegian krone | Royal Norwegian Navy | Norwegian Institute of Technology | Royal Norwegian Air Force | Norwegian State Railways | Norwegian National Academy of Craft and Art Industry | Norwegian Cruise Line | Norwegian School of Economics | Norwegian resistance movement | Norwegian Academy of Music | Society for the Preservation of Ancient Norwegian Monuments | Norwegian Students' Society | Norwegian American | Royal Norwegian Order of Merit | Norwegian University of Life Sciences | Norwegian Army | Morris Arboretum | Arnold Arboretum | Arboretum | Norwegian Refugee Council | Norwegian parliamentary election, 2005 | Norwegian parliamentary election, 2001 | Norwegian Naval Academy | Norwegian National Opera and Ballet | Norwegian Military Academy | Norwegian cyclone model |
On November 11, 1985 he became a director of the Norwegian Arboretum and the same day became professor of botany at the University of Bergen.