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