| Plant | # Chemicals | Total PPM |
|---|---|---|
| Yucca baccata Banana Yucca; Spanish Bayonet; Yucca; Blue Yucca | 1 | |
| Zanthoxylum clava-herculis Pepperbark; West Indian Yellowwood; Southern Prickly Ash; Hercules'-Club | 1 | |
| Zanthoxylum americanum Northern Prickly Ash | 3 | |
| Zanthoxylum alatum Wartara Oil Tree; Indian Prickly Ash | 6 | |
| Zea mays Corn | 18 | 2139.40 |
| Zingiber officinale Ginger | 28 | 97937.00 |
| Zizyphus spina-christi Syrian Christ-Thorn | 1 | 82.00 |
| Zizyphus jujuba Ta-Tsao; Jujube; Da-Zao | 4 | 6106.00 |