Boon, H., Smith, M. 2004. The complete natural medicine guide to the 50 most common medicinal
herbs. Robert Rose Inc., Toronto, Ontario, Canada.
Conquist, A., Gleason, H.A. 1991. Manual of vascular plants of the northeastern United States and
adjacent Canada second edition. New York Botanical Garden, Bronx, New York, USA.
Gledhill, D. 2002. The names of plants third edition. Cambridge University Press, Cambridge, United
Goebel, K. 1905. Oranography of plants. The Clarendon Press, Edinburgh, London.
Judd, W.S., Campbell, C.S., Kellogg, E.A., Stevens, P.F. 2009. Plant systematic a phylogenetical approach.
Sinauer Associates Inc., Sunderland, Massachusettes, USA.
 van Wyk, B., Wink, M. 2004. Medical plants of the world. Timber Press Inc., Portland, Oregon, USA.
Redig, M. 2003. Yams of fortune: the (uncontrolled) birth of oral contraceptives. Journal of Young
Investigators < URL:>
Accessed 3 April 2011.
ITIS 2011> Accessed 29 March 2011
Headline photo taken by Beverly James. Her photo along with other great work can be found at

To find out a little more about myself, visit my page!

                                                    Previous Page ---- Home ---- Next Page