| Narcissus | amarylidaceae | alkaloid | has emetic properties |
| Toxicodendron | anacardiaceae | urushiols | reacts upon skin contact and creates blisters and rashes |
| Rhus | anacardiaceae | urushiols | reacts upon skin contact and creates blisters and rashes |
| Schinus | anacardiaceae | urushiols | reacts upon skin contact and creates blisters and rashes |
| Pistacia | anacardiaceae | urushiols | reacts upon skin contact and creates blisters and rashes |
| Mangifera | anacardiaceae | urushiols | reacts upon skin contact and creates blisters and rashes |
| Anacardium | anacardiaceae | urushiols | reacts upon skin contact and creates blisters and rashes |
| Daucus | | | |
| Heracleum | | | |
| Ammi | | | |
| Diffenbachia | | | |
| Spathiphyllum | | | |
| Colocasia | | | |
| Philodendra | | | |
| Anterium | | | |
| Apipremnum | | | |
| Monstera | | | |
| Penicillium | | | |
| Brassica | | | |
| Eutrema | | | |
| Opuntia | | | |
| Claviceps | | | |
| Lpomea | | | |
| Ecballium | | | |
| Luffa | | | |
| Citrullus | | | |
| Cucumis | | | |
| Cucurbita | | | |
| | | |
| | | |
| | | |