Data Views Total Plants: 201 Show all rows. Paginate rows. Click on column headings to sort table by that column Plant Part All parts ... Bud Bulb Flower Fruit Fruit Juice Herb Leaf Plant Pollen Or Spore Rhizome Root Seed Shoot Sprout Seedling Tissue Culture Tuber 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.