Career
He was recognised as a doctor jubilaris at the Linnean Doctoral Promotion at Uppsala University 2007. Professor Hedberg was a pioneer in scientific knowledge on the afroalpine vegetation. His breakthrough views were based on their systematic fieldwork in the late 1940s.‘Features of Afroalpine Plant Ecology’ remains a landmark in equatorial alpine ecological research up till today, and is still available in a facsimile re-edition of 1995.)
He was a contributor to the herbaria of the Natural History Museum (Bachelor of Medicine), the National Botanic Garden of Belgium (BR), National Museums of Kenya (East African Herbarium), National Herbarium (Ethiopia), Royal Botanic Gardens, Kew (K), Muséum National d"Histoire Naturelle (P) and the Swedish Museum of Natural History Department of Phanerogamic Botany (South).
He was considered to be an important collector for the botany section of the Museum of Evolution at Uppsala University, Sweden having contributed to the phanerogamic part of the museum.