A Grower’s Guide: Licorice 2004. <URL:>. Accessed 6 March 2012.

Complementary Medicine: Licorice 2011. <URL:>. Accessed 6 March 2012.


Douglas, J.A., M. H. Douglas, D. R. Lauren, R. J. Martin, B. Deo, J. M. Follett and D. J. Jensen. 2004. Effect of plant density and depth of harvest on the production and quality of licorice (Glycyrrhiza glabra) root harvested over 3 years. New Zealand Journal of Crop and Horticultural Science 32: 363-373. <URL:>. Accessed 1 March 2012.

Efficient Fertilizer Use — Nitrogen: Dr. Don Eckert. <URL: >. Accessed 18 April 2012.

Fiore, C., M. Eisenhut, E. Ragazzi, G. Zanchin, and D. Armanini. 2005. A history of the therapeutic use of licorice in Europe. Journal of Enthopharmacology 99: 317-324. <URL:>. Accessed 1 March 2012.


Stormer, F.C., R. Reistad, J. Alexander. 1993. Glycyrrhizic acid in liqourice-Evaluation of health hazard. Food and Chemical Toxicology 31: 303-312. <URL:>. Accessed 1 March 2012.


Taxon: Glycyrrhiza glabra var. glabra L. The Taxonomicon. <URL:>. Accessed 27 March 2012.


Completed April 2012