Citation

USDA 1998: United States Department of Agriculture, Agricultural Research Service, National Genetic Resources Program. Germplasm Resources Information Network (GRIN) [online database]. Vitex agnus castus L. Beltsville (MD): National Germplasm Resources Laboratory. [Accessed 2010 March 04]. Available from: http://www.ars-grin.gov/cgi-bin/npgs/html/tax_search.pl