Farjon, A 2001: World Checklist and Bibliography of Conifers. Edition 2. Royal Botanic Gardens, Kew, Richmond.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.
Ogle, C.C.; de Lange, P.J.; Cameron, E.K.; Parris, B.S.; Champion, P.D. 2021: Checklist of dicotyledons, gymnosperms and pteridophytes naturalised or casual in New Zealand: additional records 2007–2019. Perspectives in Biosecurity Research Series 5: 45–116.
Page, C.N. 1988: New and Maintained Genera in the Conifer Families Podocarpaceae and Pinaceae. Notes from the Royal Botanic Garden Edinburgh 42(2): 377–395.