References

For Zamiaceae

Johnson & Wilson. 1990. In Kramer, K.U., and P.S. Green. 1990. Pteridophytes and Gymnosperms. In K. Kubitzki, ed., The families and genera of vascular plants. Springer-Verlag, Berlin. Google Scholar

Jones, D.L. 1993. Cycads of the world. Smithsonian Institution Press, Washington, DC. 312 pp. Google Scholar

Landry, G.P. 1993. Zamiaceae. In Flora of North America Editorial Committee. 1993b. Flora of North America north of Mexico. Volume 2, pteridophytes and gymnosperms. Oxford Univ. Press, New York, NY. 475 pp. Google Scholar