New Zealand Organisms Register
Farjon, A 2001: World Checklist and Bibliography of Conifers. 2 ed. Richmond, Royal Botanic Gardens, Kew.
Mabberley, D. J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. 3rd ed. Cambridge University Press. 1021 p.
NZFLORA February 2012
GBIF New Zealand:
Accessed via http://www.gbif.org/species/117205158 on 2015-01-27