Link, H.F. 1822: Enumeratio Plantarum Horti Regii Botanici Berolinensis Altera. Vol. 2. G. Reimer, Bern.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.
Wilcox, M.; Bradshaw, C.; Cameron, E. 2004: Woody plants of the Auckland Domain. Auckland Botanical Society Journal 59(1): 44–56.