The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • Christenhusz, M. J. M., J. L. Reveal, A. K. Farjon, M. F. Gardner, R. R. Mill & M. W. Chase. 2011. A new classification and linear sequence of extant gymnosperms. Phytotaxa 19: 55–70.
  • Histoire Naturelle des Végétaux. Phanérogames 11: 333. 1841. (Hist. Nat. Vég.)
  • WoRMS (2015). Biota. Accessed through: World Register of Marine Species at


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