1. Taxonomy and phylogeny of the tribe Gnaphalieae (Asteraceae);Anderberg;Opera Bot.,1991
2. Avenant, P., 2015. Report on the national bankrupt bush (Seriphium plumosum) survey (2010-2012). Directorate Land Use and Soil Management, Subdirectorate: natural Resources Inventories and Assessments. https://www.researchgate.net/publication/318225771_REPORT_ON_THE_NATIONAL_BANKRUPT_BUSH_Seriphium_plumosum_SURVEY_2010-2012.
3. Molecular phylogeny of the ‘Cape snow’ genus Syncarpha (Asteraceae: gnaphalieae) reveals a need for generic re-delimitation;Bergh;S. Afr. J. Bot.,2015
4. Cape diversification and repeated out-of-Africa dispersal in paper-daisies (Asteraceae-Gnaphalieae);Bergh;Mol. Phylogenet. Evol.,2009
5. Geological and soil maps of the Palaeo-Agulhas plain for the last glacial maximum;Cawthra;Quat. Sci. Rev.,2020