Dallimore, W.; Jackson, A.B. 1923: A Handbook of Coniferae Including Ginkgoaceae. Arnold, London.
Farjon, A 2001: World Checklist and Bibliography of Conifers. Edition 2. Royal Botanic Gardens, Kew, Richmond.
Wilcox, M.; Young, M.; Baynes, H. 2005: Plants of the Auckland Zoo. 20/08/05. Auckland Botanical Society Journal 60(2): 66–82.
Wilcox, M.D. 2012: Auckland's Remarkable Urban Forest. Auckland Botanical Society Bulletin 29: [1]–[348].