1. Impacts of climate change in the Greater Cape Floristic Region;Altwegg,2014
2. Pollen;Bennett,2001
3. Systematics of the Relhaniinae (Asteraceae- Gnaphalieae) in southern Africa: geography and evolution in an endemic Cape plant lineage;Bergh,2012
4. Vegetation types of the Greater Cape Floristic Region;Bergh;Fynbos.,2014
5. Contributions of Quaternary botany to modern ecology and biogeography;Birks;Plant Ecol. Divers.,2019