Bryant, G. 1996: Rare and Unusual Plants for New Zealand Gardens. David Bateman, Auckland.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.
Mueller, F.J.H. von 1860–1861: Fragmenta Phytographiae Australiae. Vol. 2. Government Printer, Melbourne.