BOOKS:
Klak, C. 2023. Aizoaceae. In: G. Bramley, A. Trias-Blasi & R. Wilford (eds.), The Kew Temperate Plant Families Identification Handbook. Pp. 154-155. ISBN 9781842467725, Kew Publishing 2023.
Bruyns, P.V. 2022. Euphorbia in Southern Africa. Vols 1 & 2. Springer Nature Switzerland AG 2022. ISBN 978-3-030-49398-1 and ISBN 978-3-030-49399-8 (eBook).
Curtis, O., Cameron, R., Helme, N, Golding, M., Privett, S. & Stirton, C.H. 2020. Field Guide to Renosterveld of the Overberg. Struik Publishers.
Williamson, G. & F. 2016. The Sperrgebiet: Nature’s Parched Masterpiece. Pp 350. Oshana Publishing, Clubview, South Africa.
Bruyns, P.V. 2014. The Apocynaceae of Namibia. Strelitzia 34. South African National Biodiversity Institute. ISBN 978-1-919976-98-3
Bruyns, P.V. 2005. Stapeliads of Southern Africa and Madagascar. Vol. 1.: Pp 329. ISBN 1-919766-37-5; Vol. 2. 330—606 pp., ISBN 1-919766-38-3. Umdaus Press, South Africa.
CHAPTERS IN BOOKS:
Hedderson, T.A. 2015. Mosses, Liverworts and Hornworts. pp 308 -311. In (Griffiths, C., J. Day & M. Picker eds.) Freshwater Life. Struik, Cape Town.
Slingsby, J. A., et al., 2014. In: N. Allsopp, J. F. Colwell and G. A. Verboom (eds). The assembly and function of Cape plant communities in a changing world. Fynbos: Ecology, Evolution, and Conservation of a Megadiverse Region. Pp. 200-223. Oxford University Press, Oxford. (H.P. Linder)
Verboom, G. A., et al. 2014. In: N. Allsopp, J. Colville and G. A. Verboom (eds). Cenozoic assembly of the Greater Cape flora. Fynbos: Ecology, Evolution, and Conservation of a Megadiverse Region. Pp 93-114. Oxford, Oxford University Press
Klak, C. Aizoaceae. 2013. In: Snijman, D. A. (ed.), Plants of the Greater Cape Floristic Region. 2: the Extra Cape Flora. Pp. 260-309. Strelitzia 30. South African Biodiversity Institute, Pretoria.
Linder, H.P. & Snijman, D.A. Restionaceae. 2013. In: Snijman, D. A. (ed.), Plants of the Greater Cape Floristic Region. 2: the Extra Cape Flora. Pp. 154-156. Strelitzia 30. South African National Biodiversity Institute, Pretoria.