- History and evolution of the afroalpine flora: in the footsteps of Olov Hedberg2022 | Faculty of Science
- Repeatedly Northwards and Upwards: Southern African Grasslands Fuel the Colonization of the African Sky Islands in Helichrysum (Compositae)2023 | Faculty of Science
- Island biogeography of tropical alpine floras2013 | Faculty of Science
- The enigmatic tropical alpine flora on the African sky islands is young, disturbed, and unsaturated2022 | Faculty of Science