| Poisonous snake |
| Poisonous African snake |
| Poisonous gas that smells like garlic |
| Plant poisonous to fish |
| Sahara slitherers |
| Poisonous reptile |
| Pea family plant that's poisonous to livestock |
| A poisonous plant, monkshood. |
| Poisonous plant |
| Once-sacred slitherers |
| Limbless slitherers |
| Egyptian slitherers |
| Aswan slitherers |
| Nile Valley slitherers |
| Dangerous slitherers |
| Small poisonous vipers |
| Some lethal slitherers |
| A poisonous plant |
| Nonpoisonous Sumac? |
| Raiders of the Lost Ark" slitherers |
| Poisonous conifers |
| African poisonous snakes |
| Poisonous Tibetan plant |
| Sea slitherers |
| Underwater slitherers |
| Saharan slitherers |
| Sacred slitherers |
| Sinai slitherers |
| Sand slitherers |
| Threatening slitherers |