Africa, Tropical forests, African biodiversity, Savannah transitions, and Savannahs
Plant evolution and Genome size
Propagation , Seed germination, and Zanthoxylum
Madagacar, Seed storage, and Orchidaceae
Evolutionary links , Africa, Madagascar, Plant diversity: evolutionary links to mainland Africa, and Scleria
West Africa, Guinea Highlands, and Cloud Forests
New Guinea, Plant endemism, Phytogeography, and Extinction
Primulaceae-Myrsinoideae, Southeast Asia, and Taxonomy
South America and Corinarous
Peninsular Malaysia, Tropical Important Plant Areas, and Karst limestone