Keyword
- Africa111
- Tropical plants105
- Classification99
- IMI descriptions98
- Evolution90
- Phylogenetics90
- Ecology89
- Climate change87
- Floras87
- Legumes84
- Herbarium specimens83
- Biogeography80
- Ecology, Evolution, Behavior and Systematics80
- Ethnobotany80
- Orchids80
- Royal Botanic Gardens, Kew80
- Etymology77
- Fungi77
- Plant Science77
- Systematics77