Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.
Tenore, M. 1839: Index Seminum in Horto Botanico Neapolitano.
Wilcox, M.; Bradshaw, C.; Cameron, E. 2004: Woody plants of the Auckland Domain. Auckland Botanical Society Journal 59(1): 44–56.