Data Views Total Plants: 2 CSV Excel PDF Total Activities: 15 Click on column headings to sort the list on the column Plant Part All parts ... Flower Leaf Low PPM High PPM StdDev *Reference Artemisia annua Flower 100.0 5000.0 Father Nature's Farmacy: The aggregate of all these three-letter citations. Artemisia annua Leaf 10.0 13800.0 * *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.