USDA, 2014. National Germplasm Resources Laboratory, Beltsville, Maryland Document reference USDA, 2014. GRIN - Germplasm Resources Information Network. National Germplasm Resources Laboratory, Beltsville, MarylandWeb http://www.ars-grin.govCitation key USDA, 2014Datasheets Banj oak (Quercus leucotrichophora)Jojoba (Simmondsia chinensis)Black thorn (Acacia mellifera)Mexican sunflower (Tithonia diversifolia)