Data Views Total Plants: 3 CSV Excel PDF Total Activities: 1 Click on column headings to sort table by that column Plant Part All Rhizome Root Seed Low PPM High PPM StdDev *Reference Angelica archangelica Root -- 2000.0 * Angelica archangelica Seed 9.0 57.0 Wealth of India. Peucedanum ostruthium Rhizome -- 3000.0 * *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.