Francis, 2002. USDA, Forest Service, International Institute of Tropical Forestry Document reference Francis, J. K., 2002. Calotropis procera (Ait.) Ait. f.. USDA, Forest Service, International Institute of Tropical ForestryWeb http://www.fs.fed.us/global/iitf/pdf/shrubs/Calotropis%20procera.pdfCitation key Francis, 2002Datasheets Calotropis (Calotropis procera)
