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"Goji Berries"(PDF). UK Food Standards Agency, Novel Foods, Additives and Supplements Division. June 2007. Archived from the original(PDF) on 20 November 2012. Retrieved 13 April 2013.
itis.gov
"Lycium". Integrated Taxonomic Information System.
"Goji Berries"(PDF). UK Food Standards Agency, Novel Foods, Additives and Supplements Division. June 2007. Archived from the original(PDF) on 20 November 2012. Retrieved 13 April 2013.
"GRIN Species Records of Lycium". Germplasm Resources Information Network. United States Department of Agriculture. Archived from the original on 2008-10-05. Retrieved 2010-12-13.