Template:Russell & al., 1987
- Gibbs Russell, G.E., Welman, W.G., Reitief, E., Immelman, K.L., Germishuizen, G., Pienaar, B.J., Wyk, M. van & Nicholas, A. 1987. List of species of southern African plants. Ed. 2, Part 2 Dicotyledons. Recent literature and synonyms. Memoirs of the Botanical Survey of South Africa 56: i–vi + 1–270.