Olov Hedberg

• Afroalpine vascular plants
• A Taxonomic Revision of the Genus Sibthorpia Linn
• Botanical investigations in the Pältsa region of northernmost Sweden
• Chromosome numbers of vascular plants from arctic & sub-artic North America
• Conservation of vegetation in Africa south of the Sahara
• Cyto-taxonomic studies in Scottish mountain plants
• Evolution and speciation in a tropical high mountain flora
• Features of Afroalpine plant ecology
• Flora of tropical East Africa - Callitrichaceae (2003)
• Modern taxonomic methods and the flora of tropical Africa
• Some taxonomic problems concerning the Afro-Alpine flora
• Systematics of to-day