Data Views Total Plants: 21 Show All Paginate Click on column headings to sort the list on the column Plant Part All parts ... Bark Flower Fruit Latex Exudate Leaf Plant Resin, Exudate, Sap Root Root Bark Seed Wood Low PPM High PPM StdDev *Reference *Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.